LAS VEGAS, NV - FEBRUARY 02: Republican presidential candidate, former Massachusetts Gov. Mitt Romney (L) and Donald Trump arrive at a news conference held by Trump to endorse Romney for president 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)
