Who knows..but the commies know this is all for show..Kavanaugh IS going to be confirmed and they know they cant do a damn thing about it except scream like whiny children
You are right, they know there is nothing they can do.
What they hope for is to create a spectacle, and entice the candidate to say something that can be twisted and lied about to sway the weaker minds in the Republican Party who get their information from the Left-controlled media.