You go to the convention with the nominee you have

L.A. Times: One Republican strategist with close ties to the campaign described the candidate's closest supporters as "keeping their fingers crossed" in hopes that additional information does not force McCain to revisit the decision. According to this Republican, who would discuss internal campaign strategizing only on condition of anonymity, the McCain team used little more than a Google Internet search as part of a rushed effort to review Palin's potential pitfalls. Just over a week ago, Palin was not on McCain's short list of potential running mates, the Republican said.