Slate Money: From Dark Pools to Swimming Pools

Slate Money, featuring Felix Salmon of Fusion, Cathy O'Neil of Columbia University and Slate's own Jordan Weissmann. This week: The Supreme Court says streaming service Aereo violates U.S. copyright law, the New York attorney general sues Barclays, and Puerto Rico becomes a tax haven.  Learn more about your ad choices. Visit megaphone.fm/adchoices