Biden campaign mulls poor Iowa caucus performance
The majority of Iowa caucus results have been reported, giving Pete Buttigieg a razor-thin margin over Senator Bernie Sanders and leaving former frontrunner Joe Biden lagging behind. In New Hampshire, where the next primary is set to take place, Biden called his caucus performance a "gut punch." Ed O'Keefe reports from the state where Biden's camp is shifting their focus onto his opponents especially Buttigieg.