Could The Volcker Rule Rein In Propriety Trading?

American banks have, for years, been accustomed to making risky bets — not only on behalf of clients but also with their own money. But many are now protesting, and preparing for, a new measure in the works that would reign in what's called proprietary trading: The Volcker Rule. Robert Siegel talks with Ben Protess of the New York Times about a new rule intended to reign in this behavior on the part of banks.