(1) And although Perry probably believes that quote, I don't think he said it. It's just part of the promotional material for the event.
(2) There may be plenty of room. There are reports of only 8,000 registered for the 71,000 seat Reliant Stadium.
(3) I had the leader of the Bridgeport Tea Party yell at me from his car the other day that "The Tea Party is an all inclusive organization!" I think he meant ethnically, not politically.