In an interview with CNN's Erin Burnett, GOP candidate Michele Bachmann insists her campaign will go on no matter the result tomorrow in Iowa. "We've already bought our tickets to South Carolina."

With Iowa voters set to caucus tomorrow, nearly half of all voters say they could change their minds. CNN's Erin Burnett breaks down the numbers at the Magic Wall.

GOP presidential candidate Newt Gingrich makes a bus stop in Independence, Iowa, a day before the caucuses. Tonight at 7 p.m. ET on Erin Burnett OutFront, we'll break down the entire GOP field.