This is a better clip fleshing out what Cunningham said, skip ahead slightly to the interview (around 1:22) between the anchors and Cunningham. He is very right in his insistence on standing behind what he said.

I personally have no issue with anything Cunningham said. As far as I am concerned it’s all pretty accurate. However, McCain has the right to run his campaign how he sees fit and if he wants to do so without the rhetoric that’s his privilege. I think he showed a great deal of character apologizing publicly for what he felt were disparaging remarks by Cunningham. You would never see Clinton or Obama apologize for Moveon.org.

Apparently, Cunningham is angry about this now and said he is going to support Hillary.

Just reported a few minutes ago on The Corner.