So at a taping Friday night of NBC's "Late Night with Conan O'Brien," the host asked the Republican presidential candidate for some new material.

"We all agree on a take on you, which is your seniority," O'Brien said, as McCain, 71, pretended to fall asleep in his chair.

Speaking for all late night comedians, O'Brien said, "we're tired of this take on you," and asked the Arizona senator to...