If they call witnesses during the trial, interested in what people will say is his reaction to watching what was going on and ignoring calls to stop it
His supporters and inner circle were openly calling for it and that article co-written by all the living defense secretaries did not come out of nowhere.
The Dems are going to be afraid to crack down. They're sensitive to being called communist, anti-free speech authoritarians. What they need to realize is they're going to be called that by a loud chorus whether they do something or not.