Missing: Weapons of Mass Destruction

Seizing Saddam's alleged weapons of mass destruction was Washington's number one justification for invading Iraq. So far, US troops have come up empty-handed. A look at the search for Iraq's missing WMD.

Guests:

Jonathan Tucker, Director of the Chemical Biological Weapons Nonproliferation Program and Monterrey Institute for International Studies and author of "Scourge: The Once and Future Threat of Smallpox"

Senator Jack Reed (D, RI), ranking Democrat on the Senate subcommittee on Emerging Threats and Capabilities

Miriam Rajkumar, Associate at the Non-Proliferation Project at the Carnegie Endowment for International Peace, author of "Deadly Arsenals: Tracking Weapons of Mass Destruction"

Jack Beatty, On Point news analyst and senior editor at the Atlantic Monthly Magazine