Talk show host Pat Campbell asked the Littleton Republican how the country should respond if terrorists struck several U.S. cities with nuclear weapons.

"Well, what if you said something like -- if this happens in the United States, and we determine that it is the result of extremist, fundamentalist Muslims, you know, you could take out their holy sites," Tancredo answered.

"You're talking about bombing Mecca," Campbell said.

"Yeah," Tancredo responded.