Perry Blames Bum Back for Debate Performances

In Tuesday radio interview, Texas topper tells Hannity he should have had back surgery in January instead of July.

Perry: "I didn't realize it was going to have as big an impact and frankly I didn't know the impact it was having on me from the standpoint of just being fatigued and it showed up in the first few debates."

Follows previous denials surgery was an issue.