Senator Lisa Murkowski is trailing Sarah Palin backed (and chuck Norris look-a-like) Tea Party Conservative Joe Miller in the Republican Primary, in what looks like the shock result of a round of primaries that has been good to incumbents.
Joe Miller beating Lisa Murkowski in shock Alaska election result | Richard Adams | World news | guardian.co.uk
Joe Miller Leads Lisa Murkowski: Alaska GOP Primary Still Too Close To Call : The Two-Way : NPR
However, Murkowski is considering, according to Slate, a third-party run, if she loses. Considering Miller's anti-pork stance in the state that brought us the Bridge to nowhere, and Miller's more extreme right views, it'd be hard to see him beating Murkowski again in a state election.
The most important news and commentary to read right now. - The Slatest - Slate Magazine
Perhaps the big winner in all of this is Palin, who's endorsements seem to have been the kiss of death in a number of recent primaries (six, I believe):
Regardless of who prevails, the Republican primary is a sign of Palin's clout in her home state after the former governor and vice presidential candidate had suffered a string of loses recently in endorsing other candidates nationally.