DENVER -- While all eyes are on Sen. Barack Obama and his freshly minted running mate Sen. Joe Biden -- one week from today (the day after Sen. John McCain announces his running mate), Gov. Tom Ridge will introduce McCain along with unsaid running mate on a southwestern Pennsylvania stage. According to a Republican official, Ridge will be introducing McCain in Washington County next Saturday, which probably means Ridge is out, Mitt Romney remains the favorite, and Team McCain is planning to fight it out with Obama-Biden in the Keystone State. Many analysts and strategists are keeping a keen eye...