When Trent blogged about "Discipline" Tuesday night, some of you were amused by this part of his post: We're considering a real-time live webcast of me signing 2,500 copies of the just-arrived, super-ultra-mega-deluxe GHOSTS edition all day Thursday. These really turned out great and I can't wait to sign EVERY SINGLE ONE OF THEM. "I don't care who you are, ...