Did Rick Perry just admit to violating the US Constitution?

To say I am not a fan of Rick Perry, Republican Presidential candidate, is to seriously underestimate my antipathy toward him. He is anti-science in almost every sense of the word, and his stance on nearly every issue on which I've heard him speak is the exact opposite of where I stand. But then something like this comes along, and shows just how far outside of reality he is. In this video, a little boy asks him how old the Earth is, and Perry then gives an astonishing answer: