Basically every country with legitimate elections has thrown out the incumbent party in the past year, regardless of which side of the spectrum the party was.
He started with half his team being responsible adults willing to check him, all of which spoke out against him in some fashion. The only question on his interview list now is "how loyal are you to me personally?"
WI called for Trump.
Between presumably losing MT, plus NV and the three rust belt states hanging in the balance, there are another incumbent Dem Senators that could be swept under the rug. That'd be a 56 seat Senate majority.