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You've probably heard by now 
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that economic inequality
 is historically high,
 
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that the wealthiest one tenth
 of one percent in the United States
 
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have as much wealth
 as the bottom 90 percent combined,
 
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or that the wealthiest
 eight individuals in the world
 
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have as much wealth 
- 
as the poorest 3.5 billion
 inhabitants of the planet.
 
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Did you know that economic inequality
 is associated with shorter lifespans,
 
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less happiness, more crime 
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and more drug abuse? 
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Those sound like problems of poverty, 
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but among wealthy, developed nations 
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those health and social problems 
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are actually more tightly linked
 to inequality between incomes
 
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than to absolute incomes. 
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And because of that, 
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the United States, 
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the wealthiest and
 the most unequal of nations,
 
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actually fares worse
 than all other developed countries.
 
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Surveys show that
 large majorities of Americans,
 
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both Democrats and Republicans, 
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believe inequality is too high
 and want more equal pay,
 
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and yet as a society we don't seem
 to be able to find the common ground,
 
- 
the consensus, the political will
 to do anything about it.
 
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Because, as inequality
 has risen in recent decades,
 
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political polarization
 has risen along with it.
 
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We see those who disagree with us
 as idiots or as immoral.
 
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Nearly half of Democrats and Republicans
 now think that the other side
 
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is not just mistaken,
 but a threat to the nation,
 
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and that animosity 
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prevents us from finding
 the common ground to change things.
 
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I'm a social psychology professor
 at the University of North Carolina,
 
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and I study the effects of inequality
 on people's thinking and behavior.
 
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I'm going to argue that it's not just
 an unfortunate coincidence
 
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that inequality and political division
 have risen together.
 
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There are good psychological reasons 
- 
that inequality drives wedges
 in our politics.
 
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That means there are good
 psychological paths
 
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to improve both at once. 
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To understand why inequality
 is so powerful,
 
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you have to first understand
 that we are constantly comparing ourselves
 
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to other people, 
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and when we do that, 
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we really like to come out on top, 
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and we find it painful
 to be on the bottom.
 
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Psychologists call it
 the "better than average effect."
 
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Most people believe
 they're better than average
 
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at just about anything they care about, 
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which isn't strictly possible,
 because that's just what average means.
 
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(Laughter) 
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But that's the way people feel. 
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Most people think
 they're smarter than average,
 
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harder working than average, 
- 
and more socially skilled. 
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Most people think they're
 better drivers than average.
 
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(Laughter) 
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That's true even if you do
 the study with a sample of people
 
- 
currently hospitalized
 for a car accident that they caused.
 
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(Laughter) 
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So we really want to see ourselves
 as better than average,
 
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and if we find out otherwise 
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it's a painful experience
 that we have to cope with.
 
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And we cope with it 
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by shifting how we see the world. 
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To understand how this works, 
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my collaborators and I ran an experiment. 
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We asked participants to complete
 a decision-making task to earn some money,
 
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and in reality everyone earned
 the same amount of money.
 
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But we randomly divided them
 into two groups,
 
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and we told one group
 that they had done better than average,
 
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and we told the other group
 they had done worse than average.
 
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So now we have one group that feels richer
 and one group that feels poorer,
 
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but for no objective reason. 
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And then we asked them some questions. 
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When we asked them, 
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"How good are you at making decisions?" 
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the better than average group
 said that they were more competent
 
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than the below average group. 
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The better than average group
 said that their success
 
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was a fair outcome of a meritocracy. 
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The below average group
 thought the system was rigged,
 
- 
and in this case,
 of course, they were right.
 
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(Laughter) 
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Even though the two groups
 had the same amount of money,
 
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the group that felt richer 
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said we should cut taxes on the wealthy, 
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cut benefits to the poor. 
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Let them work hard and be
 responsible for themselves, they said.
 
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These are attitudes that we normally
 assume are rooted in deeply held values
 
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and a lifetime of experience, 
- 
but a 10-minute exercise 
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that made people feel richer or poorer 
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was enough to change those views. 
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This difference between being rich or poor 
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and feeling rich or poor is important, 
- 
because the two don't always
 line up very well.
 
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You often hear people say with nostalgia, 
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"We were poor but we didn't know it." 
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That was the case for me growing up, 
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until one day, 
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in the fourth grade lunch line, 
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we had a new cashier
 who didn't know the ropes
 
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and she asked me for $1.25. 
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I was taken aback because I had never
 been asked to pay for my lunch before.
 
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I didn't know what to say
 because I didn't have any money.
 
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And suddenly I realized for the first time 
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that we free lunch kids
 were the poorer ones.
 
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That awkward moment
 in the school lunch line
 
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changed so much for me, 
- 
because for the first time I felt poor. 
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We didn't have any less money
 than the day before,
 
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but for the first time, 
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I started noticing things differently. 
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It changed the way I saw the world. 
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I started noticing how the kids
 who paid for their lunch
 
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seemed to dress better
 than the free lunch kids.
 
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I started noticing the big yellow blocks
 of government cheese
 
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that showed up at our door, 
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and the food stamps my mother
 would pull out at the grocery store.
 
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I was always a shy kid, 
- 
but I hardly talked at all
 after that at school.
 
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Who was I to speak up? 
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For decades, social scientists
 looked for evidence
 
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that feeling deprived
 compared to other people
 
- 
would motivate political action. 
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They thought it would mobilize protests, 
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strikes, 
- 
maybe even revolutions, 
- 
but again and again what they found 
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was that it paralyzed people, 
- 
because the truth is, 
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feeling less than other people 
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brings shame. 
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It makes people turn away, 
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disgusted with the system. 
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Feeling better than other people, though,
 now that is motivating.
 
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It motivates us to protect that position, 
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and it has important consequences
 for our politics.
 
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To see why, consider another experiment. 
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Again, we asked participants 
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to make decisions to earn some money, 
- 
and we told one group
 that they had done better than average
 
- 
and the other group that they
 had done worse than average.
 
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And again, the better than average group 
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said it's a fair meritocracy,
 cut taxes on the wealthy,
 
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cut benefits for the poor. 
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But this time, we also asked them
 what did they think
 
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about other participants
 who disagree with them
 
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on those issues. 
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Are they smart or incompetent? 
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Are they reasonable or are they biased? 
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The better than average group
 said anybody who disagrees with them
 
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must be incompetent, biased, 
- 
blinded by self-interest. 
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The below average group 
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didn't assume that about their opponents. 
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Now, there are lots of psychology studies 
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showing that when people agree with us, 
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we think they're brilliant, 
- 
and when people disagree with us, 
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we tend to think they're idiots. 
- 
(Laughter) 
- 
But this is new because we found
 it was driven entirely by the group
 
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that felt better than average, 
- 
that felt entitled to dismiss
 those people who disagree with them.
 
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So think about what this
 is doing to our politics,
 
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as the haves and have-nots
 spread further and further apart.
 
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Yes, a lot of us think
 that people on the other side are idiots,
 
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but the people politically engaged enough
 to be yelling at each other about politics
 
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are actually mostly the well off. 
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In fact, as inequality has grown
 in recent decades,
 
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political interest and participation
 among the poor has plummeted.
 
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Again, we see that people
 who feel left behind
 
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aren't taking to the streets to protest
 or organize voter registration drives.
 
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Often, they aren't even voting. 
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Instead, they're turning away
 and dropping out.
 
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So if we want to do something
 about extreme inequality,
 
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we have to fix our politics, 
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and if we want to fix our politics, 
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we have to do something about inequality. 
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So what do we do? 
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The wonderful thing about spirals 
- 
is that you can interrupt
 at any point in the cycle.
 
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I think our best bet starts
 with those of us
 
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who have benefited the most
 from inequality's rise,
 
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those of us who have done
 better than average.
 
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If you've been successful, it's natural
 to chalk up your success
 
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to your own hard work, 
- 
but, like the studies I showed you, 
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everybody does that, 
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whether or not it really was
 the hard work that mattered most.
 
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Every successful person I know 
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can think of times when they worked hard
 and struggled to succeed.
 
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They can also think of times 
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when they benefited from good luck
 or a helping hand,
 
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but that part is harder. 
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Psychologist ?? and Tom Gilovich 
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call it the headwind-tailwind assymetry. 
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When you're struggling against headwinds, 
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those obstacles are all you can see. 
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It's what you notice and remember. 
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But when the wind's at your back
 and everything's going your way,
 
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all you notice is yourself 
- 
and our own amazing talents. 
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So we have to stop and think for a minute 
- 
to recognize those tailwinds
 helping us along.
 
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It's so easy to see what's wrong
 with people who disagree with you.
 
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Some of you decided that I
 was an idiot in the first two minutes
 
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because I said inequality was harmful. 
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(Laughter) 
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The hard part is to recognize 
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that if you were in a different position, 
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you might see things differently, 
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just like the subjects in our experiments. 
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So if you're in the
 above average group in life --
 
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and if you're watching a TED Talk,
 you most likely are --
 
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then I leave you with this challenge. 
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The next time you're tempted
 to dismiss someone
 
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who disagrees with you as an idiot, 
- 
think about the tailwinds 
- 
that helped you get where you rae. 
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What lucky breaks did you get 
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that might have turned out differently? 
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What helping hands are you grateful for? 
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Recognizing those tailwinds
 gives us the humility we need
 
- 
to see that disagreeing with us
 doesn't make people idiots.
 
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The real hard work
 is in finding common ground,
 
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because it's the well-off
 who have the power
 
- 
and the responsibility to change things. 
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Thank you. 
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(Applause)