CNN's Kim Brunhuber speaks with Thomas Gift, the Director of the Centre on U.S. Politics at the University College of London, ahead of Monday's Iowa GOP caucuses.
All the major candidates for the Republican presidential nomination are campaigning in Iowa as they appeal to supporters to turn out for the caucuses despite the frigid weather. Below-zero temperatures and the remnants of a weekend blizzard are threatening to once again disrupting their campaign plans on Sunday.Â