LAS VEGAS, NV - FEBRUARY 02: (L-R) Ann Romney and Republican presidential candidate, former Massachusetts Gov. Mitt Romney, look on as Donald Trump endorses Mitt Romney for president during a news conference at the Trump International Hotel & Tower Las Vegas February 2, 2012 in Las Vegas, Nevada. Romney came in first in the Florida primary on January 31 and is looking ahead to Nevada's caucus on February 4. (Photo by Ethan Miller/Getty Images)
