Iowa Caucuses (36 images)

Democratic candidate Senator Barack Obama, with wife Michelle and daughter Malia makes a campaign stop at Roosevelt High School while campaigning for the Iowa Caucus in Des Moines, Iowa on January 1, 2008. (UPI Photo/Laura Cavanaugh)

Republican Party precinct leader Isaiah McGee (L) registers Mark and Heidi Morse (R) at a caucus site at Waukee High School in Waukee, Iowa on January 3, 2008. Iowa will hold its presidential caucus tonight. (UPI Photo/Brian Kersey)

Republican presidential hopeful and former Arkansas governor Mike Huckabee addresses supporters at a rally in Des Moines, Iowa on January 3, 2008. (UPI Photo/John Sommers II)

Campaign supporters for Republican presidential hopeful and former Arkansas governor Mike Huckabee pray before the start of a rally in Des Moines, Iowa on January 3, 2008. (UPI Photo/John Sommers II)