NEW YORK, NY - JUNE 19: The U.S. Robin Hood Tax Campaign protest outside JP Morgan Stanley Corporate Headquaters on June 19, 2012 in New York City. (Getty Images)
Demonstrators, dressed like Robin Hood, call for a "Robin Hood tax" on Wall Street transactions at a House Financial Services Committee hearing on Examining Bank Supervision and Risk Management in Light of JPMorgan Chase's Trading Loss on Capitol Hill in Washington June 19, 2012. (Reuters Pictures)