It's amazing what a rigged game of Monopoly can reveal. In this entertaining but sobering talk, social psychologist Paul Piff shares his research into how people behave when they feel wealthy. (Hint: badly.) But while the problem of inequality is a complex and daunting challenge, there's good news too. 我想大家小时候多数玩过大富翁的游戏，其实这个小小的游戏折射了一个非常重要的人性的弱点。本期TED演讲将为你揭示这个答案