PBS
JUDY WOODRUFF: Now: two views on whether a nuclear-armed Iran makes the Middle East a safer place.
John Mearsheimer is a professor at the University of Chicago. He's a
West Point graduate and former Air Force officer. And he's written
extensively on strategic issues. Dov Zakheim served in the Pentagon
during the administrations of George W. Bush and Ronald Reagan. He's now
a senior adviser at the Center for Strategic and International Studies.
