World Jan 24 U.S. puts troops on high alert as Russia-Ukraine tensions escalate By Nick Schifrin, Ali Rogin, Layla Quran, Dan Sagalyn
World Jan 13 Watch 5:49 Russian military escalation with Ukraine looms as diplomatic efforts make little progress A week of diplomacy in Europe concluded Thursday, with the U.S. and European countries meeting with Russia over its massive military deployment on the borders of Ukraine. But the talks did not end well. Nick Schifrin reports on where the… By Nick Schifrin, Dan Sagalyn