Russia should not close the U.S. embassy despite the crisis triggered by the war in Ukraine because the world's two biggest nuclear powers must continue to talk, the U.S. ambassador to Moscow was quoted as saying on Monday.
President Vladimir Putin has cast the invasion of Ukraine as a turning point in Russian history: a revolt against the hegemony of the United States, which the Kremlin chief says has humiliated Russia since the 1991 fall of the Soviet Union.
