Finance people and economics people don't really understand each other, as a tense exchange on CNBC shows.
They are 30 men who exert vast power over the world financial system. Here's what they think the global economy needs for long-term growth.
The author of "Liar's Poker" and "The Big Short" wants to break up the big banks. So do a lot of other people, including a surprising list of financial luminaries.