Former Republican presidential candidate Mitt Romney arrives at the White House in Washington on Thursday, Nov. 29, 2012, for a private luncheon with President Obama. (AP Photo/Pablo Martinez Monsivais)

Photo by: Pablo Martinez Monsivais

Former Republican presidential candidate Mitt Romney arrives at the White House in Washington on Thursday, Nov. 29, 2012, for a private luncheon with President Obama. (AP Photo/Pablo Martinez Monsivais)