Palin’s Bus Tour Ad

Does this sound like someone not running?:

John Dickerson ponders a Romney vs Palin primary fight:

We know what President Obama's strategists would like: a civil war between the Romney's establishment Republicans and Palin's Tea Party populists. They would like it to mirror the 1996 GOP race, in which Steve Forbes drained Bob Dole of resources, weakening him for the general election.