Slate Money: Spinoffs, Write-downs, and Techie Taxis

Slate Money, featuring Felix Salmon of Fusion, Cathy O'Neil of Columbia University and Slate's own Jordan Weissmann. This week: Time Warner spins off its magazine business, Uber causes traffic headaches in Europe, and Larry Summers makes reading recommendations.  Learn more about your ad choices. Visit megaphone.fm/adchoices