Duncan Green, author of "How Change Happens." He says of activism: "There has to be a little part of you that acknowledges doubt, ambiguity and uncertainty. You have to have room to change direction."
Ben de la Cruz/NPR
Jay Y. Lee, vice chairman of Samsung, arrives at the Seoul Central District Court on January 18. A judge said there wasn't enough evidence for his arrest on bribery charges.
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The train, which began its journey in Yiwu, China, pulls into a rail freight terminal on Wednesday in London, after traveling for 16 days — across about 7,456 miles and nine countries.
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Thomas Graham, a former U.S. diplomat and the managing director of Kissinger Associates, Inc., says the focus when dealing with the Kremlin should be on "opening diplomatic channels and reducing the risk of unwanted confrontation."
National Security Agency leaker Edward Snowden speaks via video link during the Athens Democracy Forum, organized by The New York Times, at the National Library in Athens on Sept. 16, 2016. Snowden is in exile in Moscow; Russia has extended his residence permit.
Kostas Baltas/InTime Sports via AP
Iowa Gov. Terry Branstad greets Chinese President Xi Jinping before a meeting at the Great Hall of the People in Beijing in April 2013. The two first met in 1985, during a visit by Xi to Iowa.