GOP presidential hopeful Rick Perry sat down with Jay Leno on NBC’s “Tonight Show” to explain:

His recent debate “brain freeze.”

Every now and than I call my dog by the wrong name, but we have fun.

Calling upon “those of you 21 by Nov. 12” to vote for him.

I was thinking of the drinking age, maybe.

His plans for a part-time Congress, a flat tax , his thought on the “Ponzi scheme” that is Social Security, and why he met with Donald Trump

He’s one of the most interesting guys I’ve ever met…he’s got quite a following around the country. When he speaks, people listen – like E.F. Hutton.

Watch here: