When last November's National Intelligence Estimate report concluded that Iran had halted its nuclear-weapon program back in 2003, the Bush Administration's push for a sequel to the Iraq War seemed dashed. But even with these findings, little diplomatic progress has been made, and periodic flare-ups (like the Strait of Hormuz affair) still loom large.

Foreign correspondent Stephen Kinzer inaugurated this lecture tour to help clear up the many misconceptions surrounding the delicate issue. He touches down at Grace Cathedral to discuss diplomacy's necessity with political analyst Barbara Slavin and Reese Erlich, author of 'The Iran Agenda: The Real Story of US Policy and the Middle East Crisis'.