Palin: Victim Or Aggressor?

In an extensive analysis of Sarah Palin's 2012 nomination chances, Nate Silver concludes that she's lost ground in the last year. One reason is that she turns everything in a battle, even taking on a popular first lady's campaign against obesity:

A politician has only so many arrows in her quiver. If everything that she says or does seems to convey the sense of being locked into an existential battle against the rest of the world, the public may eventually become fatigued, less able to differentiate the important fights from the unimportant ones, and less likely to see the politician as a victim rather than an aggressor.