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With nine countries possessing nuclear weapons, the threat of a dirty bomb grows larger every day. But an international grassroots movement called Global Zero is seeking to eliminate nuclear weapons. The organization's leaders, Queen Noor of Jordan and former CIA operations officer Valerie Plame, discuss the initiative. (TODAY)
Actress Piper Perabo talks about how outed CIA agent Valerie Plame Wilson served as a technical adviser on the pilot of "Covert Affairs," teaching her about keeping secrets and connecting her with other agents from the bureau headquarters. (TODAY)