Nightly news begins right now. Announcer from nbc news World Headquarters in new york, this is nbc nightly news with lester holt. Good evening. President trump who has been unwilling to publicly criticize russia today made a dramatic change declaring relations between the two countries to be at an alltime low. Comments coming hours after secretary of state Rex Tillerson shared the same assessment following a highstakes meeting with Vladimir Putin. The friction is over what russia may or may not have known about the recent deadly chemical weapons assault on civilians by close ally syria and the u. S. Wished to drive syrian president assad from power. Chief Foreign Affairs correspondent Andrea Mitchell has the latest from moscow. Reporter President Trump tonight in a role reversal, once talking up the possibility of warmer relations with moscow, now the cold reality. We may be at an alltime low in terms of relationship with russia. Reporter secretary of state Rex Tillerson taking that me