Lewis' best-selling books include "The Big Short," "Moneyball" and "Liar's Poker."
On Donald Trump's next moves: "Predicting what he's going to do I know is a stupid thing. It's like predicting what the stock market is going to do tomorrow. Really. You're watching I think something with a large random component there. I don't think this is like some well-thought out strategy. You never know what he is going to do next," he said.
On Wall Street deregulation: "When I'm watching the incoming Trump administration, that's the thing that terrifies me. They are going to reduce the capital requirements in banks. ... They already seem to be interested in rolling back the Volcker Rule," Lewis said.
He also discusses:
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