'Need to Know' Explores Evangelical Voters' Sway Over GOP...

Aired: 12/30/2011 | 0:03:07 | Clip
Four years ago, Arkansas Gov. Mike Huckabee beat Mitt Romney and the other GOP candidates in the Iowa Caucuses with strong conservative evangelical support led by a man named Bob Vander Plaats. "Need to Know" correspondent Rick Karr reports on the power of Vander Plaats and the religious right in the Hawkeye State's elections.