'The Big Short' author Michael Lewis tells us about his unusual new 'love story,' and how it can add insight into Trump's election and a changing Wall Street

MN Mike Nudelman/Business Insider After nearly 30 years of writing, Michael Lewis has tackled his first love story. Lewis, the author of "The Big Short" and "Moneyball," didn't go the typical romance route, though. His new book, "The Undoing Project," tells the story of Daniel "Danny" Kahneman and Amos Tversky, two best friends who revolutionized cognitive psychology. As Lewis put it to Business Insider, the relationship between these two brilliant Israeli psychologists "was a love story without...