NightSide - Breaking Down The Iowa Caucus

BOSTON (CBS) - While Senator Ted Cruz was handed the GOP victory last night fairly early, the official declaration for the Democrats didn't come until today, when Hillary Clinton was announced as the winner. The party says it was the closest caucus they've ever had, and it is unclear whether the Sanders camp will challenge the results. Tonight, we'll take a look at all the numbers, as well as the implications for all the candidates heading into New Hampshire.

Originally broadcast February 2nd, 2016.