Tracking the GOP race to 2012

The Palin/Letterman dispute has escalated with a push to fire Letterman from CBS; Tim Pawlenty; Mike Huckabee appeared in Iowa and warned Republicans against the "mushy middle"; he also sat for an interview at a New York comedy club; Tim Pawlenty tells Minnesota NPR that he'll announce which programs he'll cut this week in his $2.7 billion state budget fix.

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