Slate Money: Negative Interest Rates and the Saga of Steven Cohen

Slate Money, featuring Felix Salmon of Fusion, Cathy O'Neil of Mathbabe.org and Slate's own Jordan Weissmann. This week: A turnabout for Wall Street's toughest judge, extreme measures by the European Central Bank and the continuing saga of hedge fund billionaire Steven A. Cohen. Learn more about your ad choices. Visit megaphone.fm/adchoices