Tensions Arise Anew Around Iran's Nuclear, Political Goals

MARGARET WARNER: And for more on today's developments, political and nuclear, we go to Reza Aslan, an Iranian-born author and journalist now living in the U.S. He's a professor of creative writing at the University of California, Riverside. Flynt Leverett, who has held posts at the State Department, National Security Council staff, and CIA, he's now with the New America Foundation, a Washington think tank, and he teaches international affairs at Penn State University. And David Albright, a former U.N. nuclear weapons inspector, he's now president of the Institute for Science and International Security. It produced one of the reports on Iran's nuclear program cited in today's Washington Post.

Welcome, gentlemen, to all of you.

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