Plus she or one of her staff has probably been talking with Gov Perry or one of his staff. Despite what some people believe, she is not a seat of the pants operator.
You've got that right, gov_bean_ counter!
The timing of Sarah Palin's announcement, whether it's late summer, early fall, or 3 AM in the morning, is not because of any indecision or hesitancy, but instead the timing of the announcement is deliberate, planned, according to a long-range strategy to win the nomination and the election, and (I love this) will cause fifth-column LSM heads to explode.