SIMFEROPOL, UKRAINE - MARCH 08:  Pro-Ukrainian sympathizers waving Ukrainian flags and chanting "Russian Soldiers Out Of Crimea," "Glory To Ukraine" and "Crimea Ukraine" gather on March 8, 2014 in Simferopol, Ukraine. Several hundred pro-Ukrainian protesters marched peacefully through the city center to a Ukrainian military base that has been blockaded by pro-Russian militants and soldiers. Diplomats and heads of state are still seeking to diffuse the potentially volatile crisis that has developed since pro-Russian forces seized power in Crimea and are seeking to join the peninsula with Russia.  (Photo by Sean Gallup/Getty Images)