If they do impeach, they will not, until fall 2020, prior to the election. I don’t believe he would resign under any circumstances. However, I did predict in May 2017, he would not run again in 2020. Back then, I thought he would get bored with the job, then go back to golfing and tweeting full time. Now, I think the combination of multiple House investigations, potential economic slowdown, and the aforementioned boredom will decide it.