manu raju reporting that it does appear to be shifting toward kavanaugh. >> reporter: good morning, christine and dave. all eyes on senate floor in a matter of hours. later this morning, the senate will take a key procedural vote to advance brett kavanaugh's nomination to the supreme court. it is a 51-49 senate. it is republican versus democrat. if all democrats vote no and republicans lose more than one vote, then the nomination could go down and lose to a democratic filibuster later this morning. we are watching four key senators. lisa murkowski of alaska, susan collins of maine and jeff flake of arizona and joe manchin of west virginia. manchin being the one democrat. all went to the briefing about the fbi investigation to brett kavanaugh's past and allegations of sexual misconduct in which he furiously denied. each senator has a different