U.S. President Barack Obama (L) shakes hands with Citigroup CEP Vikram Pandit (C) after signing the the financial reform bill into law during a ceremony at the Ronald Reagan Building and International Trade Center on July 21, 2010 in Washington, DC. A sweeping expansion of federal financial regulation in the wake of the worst recession since the Great Depression, the bill will create a consumer protection agency, lay out a blueprint for disassembling financial entities considered "too big to fail," and many other reforms. UPI/Chip Somodevilla/Pool