Republican presidential candidate and former Massachusetts Gov. Mitt Romney waves after he addressed the U.S. Hispanic Chamber of Commerce in Los Angeles, Monday, Sept. 17, 2012. (AP Ph

 

              Republican presidential candidate and former Massachusetts Gov. Mitt Romney waves after he addressed the U.S. Hispanic Chamber of Commerce in Los Angeles, Monday, Sept. 17, 2012. (AP Ph
Republican presidential candidate and former Massachusetts Gov. Mitt Romney waves after he addressed the U.S. Hispanic Chamber of Commerce in Los Angeles, Monday, Sept. 17, 2012. (AP Photo/Charles Dharapak)