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John E. Herbst: What you need to know about Russian sanctions (VIDEO)

A couple walks past a graffito depicting Russia's President Vladimir Putin in the Crimean city of Simferopol on August 18, 2015.
John Herbst tells you what you need to know about Russian sanctions. Herbst is director of the Atlantic Council's Dinu Patriciu Eurasia Center. He served as US Ambassador to Ukraine from 2003-2006.