"We're not running against George W. Bush"

Gibbs also took a couple of pointed jabs at Perry, the most recent entrant into the race, for his past statements flirting with Texas seceding from the United States.

“I think that the statements that Perry made are remarkable in the sense that, just two years ago, the governor of Texas openly talking about leading Texas out of the United States of America,” Gibbs said. “I think it’s a remarkable turnaround and I think, any day now, I think Rick Perry will probably ask to see the president’s birth certificate.”