John Kerry

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U.S. Secretary of State John Kerry, left, meets with Ukrainian Foreign Minister Andrii Deshchytsia for a bilateral meeting to discuss the ongoing situation in Ukraine as diplomats from the United States, Ukraine, Russia and the European Union gather for discussions in Geneva, Switzerland, Thursday, April 17, 2014. (AP Photo/Jim Bourg, Pool)

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U.S. Secretary of State John Kerry, left, meets with EU foreign policy chief Catherine Ashton in a bilateral meeting to discuss the ongoing situation in Ukraine in Geneva, Switzerland, Thursday, April 17, 2014. Secretary of State Kerry arrived in Geneva on Wednesday for the high-stakes diplomatic meetings with Russia, Ukraine and the EU. (AP Photo/Jim Bourg, Pool)

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U.S. Secretary of State John Kerry, left, talks with Ukrainian Foreign Minister Andrii Deshchytsia at the start of a bilateral meeting to discuss the ongoing situation in Ukraine as diplomats from the United States, Ukraine, Russia and the European Union gather for discussions in Geneva, Switzerland, Thursday, April 17, 2014. (AP Photo/Jim Bourg, Pool)

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Secretary of State John Kerry is surrounded by security as he arrives in Geneva, Wednesday, April 16, 2014, where he is scheduled to participate in talks on the ongoing situation in Ukraine with representatives from Ukraine, Russia and the European Union. (AP PhotoJim Bourg, Pool)

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Secretary of State John Kerry arrives in Geneva, Wednesday, April 16, 2014, where he is scheduled to participate in talks on the ongoing situation in Ukraine with representatives from Ukraine, Russia and the European Union. (AP Photo/Jim Bourg, Pool)