http://thefivepilgrims.com/2016/02/03/a-quick-fact-sheet-of-the-cruz-carson-controversy/
So this guy must be pretty good, he managed to get one of Carson’s own staffers to tweet that he was going back to Florida and wouldn’t be going to NH or SC.
Looks like it was a huge blunder on the part of Carson, since Trump had no ground game he was not able to take advantage of it.