The latest International Atomic Energy Agency report on Iran’s nuclear program is expected to reveal activities that can no longer be plausibly explained as part of a peaceful domestic energy program. So what is this evidence? How close is Iran to deploying a nuke? Is Israel about to launch a preemptive strike? Would an airstrike really cripple or set back Iran’s program? We discuss it all with former U.S. Ambassador to the United Nations John Bolton.