Margaret Warner talks to former Reagan administration official Michael Pillsbury and The Nation's Robert Dreyfuss on what past endeavors by the United States to offer military aid to rebel movements can teach government officials today about providing weapons to the Syrian opposition.

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Secretary of State Marco Rubio speaks to reporters after watching people board a repatriation flight bound for Colombia in Panama City on February 3, 2025. (Mark Schiefelbein/AFP via Getty Images)