The countdown to the final hours before the first presidential debate tomorrow night begins now. Both candidates are in full prep-mode with GOP nominee Mitt Romney attending one last rally in Denver, the site of the big showdown. It’s unpredictable who will emerge a winner since Romney and Obama came up neck-and-neck in the most … Continue reading CNN Contributor Ryan Lizza on candidates' debate prep: 'Romney has more work to do because he’s down'