More likely Sarah has destroyed her chances of being the leader of the conservative wing of the Republican party. I don't think she'll have much influence on the Arizona voters, or voters anywhere else for that matter.
Hayworth needs to make his decision soon, and if he runs he'll receive out-of-state financial support near the level of Scott Brown.
I personally worked hard for Scott Brown’s election. Even though I am in Florida, I was allowed to call Mass. voters to get Scott Brown elected. And did you hear, Scott Brown is going to be campaigning for Mr. McCain?