I guess it's going to be a case of Dems wanting this man gone. But they'd have to all agree (with dems, you never know, they don't seem to have a singular mind).
And the GOP, wanting him to stay, outside of a few patriots.
The Dems just need to label every single GOP member a traitor and speak of them as such. That's exactly what the GOP would do. Caring about the 'stability' of the country has gotten them a puppet president, this is literally the worst case scenario outside of actual war.
Flat out say he is an illegitimate president. What is he going to do? Purge the house of democrats? Oops, that'd be (justified) civil war.