No witnesses to be called...no evidence to be presented...and the floor will be given over exclusively to Republican senators howling like the dogs they are. Trump will tweet "SEE! NO COLLUSION!" and Fox News will drool and babble. (As will our resident Trumpers, of course.)
This will be a farce, because the Republicans want it to be--and then they'll blame the Democrats. In a way, I admire Moscow Mitch's honesty. He's always been straightforward about being an asshole, ignoring the Constitution, and putting party over country. I kind of prefer him to Devin Nunes or Sean Hannity, prattling on about their partisan patriotism.
We'll have to shove the 2020 election up Trump's ass in order to get rid of him.