The 2012 Republican Caucus in Iowa (21 images)

Republican presidential hopeful Mitt Romney (R) hugs his wife Ann at a caucus night rally on January 3, 2012 in Des Moines, Iowa. With 98 percent reporting, the caucus was a virtual tie between Romney and Rick Santorum. UPI/Brian Kersey

Republican presidential hopeful Mitt Romney (C), with his wife Ann and four of his five sons, speaks to supporters at his caucus night rally on January 3, 2012 in Des Moines, Iowa. With 98 percent reporting, the caucus was a virtual tie between Romney and Rick Santorum. UPI/Brian Kersey

Republican 2012 presidential candidate and Texas Rep. Ron Paul makes remarks at a rally in Ankeny, Iowa, after his strong finish in Iowa's first-in-the-nation caucuses, January 3, 2012. With votes still needed to be counted, Paul was a close third to top finishers former Massachusetts Gov. Mitt Romney and former Pennsylvania Sen. Rick Santorum. UPI/Mike Theiler

Republican 2012 presidential candidate and Texas Rep. Ron Paul makes remarks at a "Rock the Caucus" event as his grandchildren listen, at West Des Moines Valley High School, Iowa, January 3, 2012. Polls indicate a tight race between Paul, former Massachusetts Gov. Mitt Romney and former Pennsylvania Sen. Rick Santorum on the final day of Iowa's first-in-the-nation caucuses campaign. UPI/Mike Theiler