Day 2: Huckabee Still Talking Process

To some, an odd decision to stay on "ghost ad" message.   But many supporters are fired up by the issue and Iowa media doesn't much care.   But: Huckabee says he now regrets playing negative Romney ad at Monday's press conference. "Probably if I had it to do over again, I would not have shown it."   Read more about Huckabee's final publicity push here