The 2012 Republican Caucus in Iowa (21 images)

Republican presidential hopeful Mitt Romney (R) kisses 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

A supporter of Republican presidential hopeful Mitt Romney holds up a sign at Romney's caucus night rally on January 3, 2012 in Des Moines, Iowa. Romney and Santorum are competing for the top spot in the caucus. UPI/Brian Kersey

US Army Cpl. Jesse Thorsen (R) raises his fist in jubilation on stage with Republican 2012 presidential candidate and Texas Rep. Ron Paul (L) with his wife Carol after being invited to make remarks by Paul at a rally in Ankeny, Iowa, after Paul's 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 raises his arms in jubilation as his wife Carol (L) and others join in the celebration 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