a city of nearly 3 million in the coming days. >> russia can still choose diplomacy. it is not too late to deescalate and return to the negotiating table. >> reporter: there are no signs russia is backing away, defense officials say russia has moved half of its forces into attack position. u.s. intelligence suggests russia has up to 190,000 forces near and in ukraine. for weeks, biden has predicted russia could use addition information, false flag operations and cyber attacks to goad ukraine into war. the white house says that's exactly what's happening. >> we believe the russia government is responsible for wide scale cyber attacks on ukraine this week. >> reporter: russia is accusing ukraine genocide against russian speakers, allegations mr. biden called phony and fabricated. and when it comes to that assertion from the president that putin has made a decision. we heard from the defense