CIA director says Iranian policy at highest level is to kill Americans in Iraq

CIA Director Michael Hayden said Wednesday that Iranian policy, at the highest government level, is to help kill Americans in Iraq, the boldest pronouncement of Iranian involvement by a U.S. official to date.

Hayden made the statement in response to a student question while delivering the Landon Lecture at Kansas State University.

"It is my opinion, it is the policy of the Iranian government, approved to highest level of that government, to facilitate the killing of Americans in Iraq," Hayden said. "Just make sure there's clarity on that."

In recent weeks, U.S. officials have ratcheted up their complaints that Iran is …