Today in National Polls: Huckabee Nearly Catches Giuliani, Doesn’t Win Over Dems

Nationally, Mike Huckabee is closing in on Rudy Giuliani, with 22 percent to Giuliani’s 24 percent. [CNN/Opinion Research]

In a head-to-head contest, Huckabee would lose to all three top Democrats. He would lose to John Edwards by the greatest margin: 25 percent. [CNN/Opinion Research]

Obama leads in South Carolina, where he appeared this weekend with Oprah. [Insider Advantage]

One percent of Democrats say Oprah’s support would make them vote for Obama, while 44 percent say Bill Clinton would lead them to vote for Hillary. [CBS/NYTimes]