Russia as a Revisionist Power

Moscow's takeover of Crimea represents the most serious challenge to the international status quo since 1991. How should the West respond? How far is President Putin prepared to go in the defense of his "compatriots" outside of Russia's borders? And what are the consequences for the rest of the world?

Christian Caryl, Senior Fellow at Legatum Institute in London and Contributing Editor to Foreign Policy Magazine, and author of Strange Rebels: 1979 and the Birth of the 21st Century (2013)