Great point Bahbah. McCain cannot win a primary in CO unless he spends a few millions to dupe an unsuspecting voter base. Certainly, non of the conservative activists would support him. I believe there's even a question whether or not people would hold their noses and vote for him. Yes, he would be better than Hillary but he's too radioactive to get any real support. I also believe the media will kill his candidacy if he were to actually get it.
They will build him up for the great pleasure they will take in bringing him down.