start listening. and a weekend case study in how washington republicans navigate a big party divide, the choice between donald trump and mitch mcconnell. but up first, a new diplomatic scramble. a last-ditch joe biden and vladimir putin summit is now on the table and the white house says biden has agreed to the meeting in principle but there is one big condition. it will only happen if russia doesn t invade ukraine. president biden s decision is complicated by reports that american intelligence officials have a high level of confidence that putin has already decided to attack and today at the kremlin, the russian president has convened his national security council. here this morning, the white house national security adviser appeared on each network morning show to again sound the alarm. we have seen just in the last 24 hours further moves of russian units to the border with no other good explanation other than they are getting into position to attack. every indication we see on