Former Arkansas Gov. Mike Huckabee (R) has endorsed 2010 Senate nominee Joe Miller (R) on the eve of his Senate primary.
It's curious that Huckabee, a potential presidential candidate, is backing a man so hated by the national Republican establishment. Miller, like Huckabee, has strong social conservative bona fides and a penchant for bucking party leaders.
Former Alaska Department of Natural Resources head Dan Sullivan (R) is the favorite heading into Tuesday's primary. He's raised much more money and has led in polling, though both Miller and Lt. Gov. Mead Treadwell (R) have bases of support, and Alaska's Republican electorate is notoriously unpredictable and hard to poll.
The winner will face Sen. Mark Begich (D), a top GOP target.