How American CEOs got so rich
8:47
How tax breaks help the rich
10:42
Why Americans love big cars
4:30
How does the stock market work? - Oliver Elfenbaum
9:22
Food waste is the world's dumbest problem
3:55
Por que "compre um, leve um de graça" não é um ótimo negócio
8:04
Why the US is always hitting a "debt ceiling"
16:57
How To Focus On The Right Problems
6:07