Rand Paul shares his secret to winning Iowa

Aired: 1/21/2016 | 0:08:45 | Clip
With a two-week countdown to the first voting in Iowa, Republican presidential candidate Sen. Rand Paul, R-Ky., joins Gwen Ifill to discuss which special group of voters he’s working to win over, breaking through the Donald Trump media domination, plus why he thinks the GOP front-runner shouldn’t be the next president.