At a press conference on Capitol Hill today, Sen. John McCain was asked whether the still-developing story of David Petraeus' affair with his biographer, along with a potentially related e-mail relationship between Gen. John Allen and a Tampa socialite, was a higher national security concern than the attack on the U.S. consulate in Benghazi that killed ambassador Chris Stevens and three other Americans.

"Well, I say with great respect, that is one of the dumbest questions I've ever heard," the Arizona Republican responded, later adding: "It's certainly a national security issue, but it doesn't rise to the level of four dead Americans."

You can watch the full scolding below: