Craig Shirley and John Zogby discuss tonight’s Iowa Caucus

Presidential historian, Craig Shirley, joins pollster John Zogby to discuss tonight’s Iowa Caucus. Last minute campaigning and final weekend polling leads up to the finale tonight as the Iowa Caucus begins. Numbers should be coming in by 8:30 Eastern Time—guests will discussing the final push—the 11th hour campaign attacks and ads. They’ll also review and analyze any early results that may be available.