Tim Pawlenty's schedule has reportedly been cleared for today and tomorrow.
McCain claims he still hasn't made up his mind about his running mate but says of Tom Ridge, "He's a great American and a great and dear friend and I rely on him and I have for many years."
Ridge and Mitt Romney will both be at a McCain event in Pennsylvania on Saturday.
Romney will also be with McCain at a campaign event in Missouri on Sunday.
Karl Rove doesn't want Joe Lieberman on the ticket. Joe Lieberman does.