winter cold to rally in kyiv to show unity against threat. for latest we begin with cbs' christina ruffini at the white house. christina, good evening to you. >> reporter: good evening, weijia. the white house says that call between two world leaders didn't produce any major breakthroughs, and a senior ranking official tells us they're still not you're whether or not vladimir putin has made the decision to invade. but early this morning, the state department pulled most of its diplomats out of the embassy in kyiv, just in case. during the hour-long conversation, the white house says president biden urged president putin to engage in de-escalation and diplomacy, but the time for diplomacy is running thin. traveling in fiji, secretary of state antony blinken said the u.s. still has not received a written response to its security proposals. >> we're in the window when a russian invasion could start at any time. >> reporter: and russia now has 80% of the troops it would need