3. He pressured Justice Department officials to go easy on an investigation into the president himself and his campaign.

4. He attempted to undermine the credibility of multiple checks and balances on the executive branch, including the justice system, the press, the electoral system and the Central Intelligence Agency.

No other president, Republican or Democrat, has ever behaved as Donald Trump has. I think Americans, regardless of party, should come to see that he is unfit for the office and is damaging the country. In the Sunday Review yesterday, I made the much longer version of this case. I also argued that Democrats would be doing him a favor by impeaching him soon. The best way to push for his removal from office is not to impeach him, at least not yet. Richard Nixon, as you may recall, was never impeached but resigned under pressure after he lost the support of fellow Republicans.

If you’ve already read the article, you may be interested in the reader comments that other Times readers suggested as the most interesting (which you can see by clicking on the “Readers’ Picks” tab). I’m grateful to my editors for encouraging me to write the piece and for giving it as much space as they did.

I know one skeptical question that many readers ask is a version of: So what? That is, even if Trump deserves to be removed from office, people have come to believe congressional Republicans will never abandon him. I don’t think that’s quite right, and my Monday column explains why. The column starts with an analysis of the midterm elections. As the final results have come in, it’s clear they were even worse for Republicans than first understood.