Charles Gasparino on Insider Trading

Charles Gasparino talks about the government’s crackdown on insider-trading networks—an investigation that has led to more than 60 convictions. In Circle of Friends: The Massive Federal Crackdown on Insider Trading—and Why the Markets Always Work Against the Little Guy, he follows government investigators and prosecutors pursuing one of the most aggressive and broad-reaching series of insider-trading cases in the nation's history and has put big names on Wall Street behind bars.