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From Keystone to gay rights, six take-aways from John Kerry

Andrea Mitchell's exclusive interview with John Kerry covered gay rights, the violence in Syria, Russia, climate change and the pleasures of Twitter.

U.S. Secretary of State John Kerry gestures as he speaks in Beijing, Feb. 14, 2014.
U.S. Secretary of State John Kerry gestures as he speaks in Beijing, Feb. 14, 2014.Getty Images

Cathy Finkler