There is also a logical problem with impeachment that has no answer I can see. The single article of the impeachment document accuses Trump of fomenting rebellion against the government. His speech on Jan. 6 encouraged a mob to storm the Capitol. Or that is the argument we will hear repeatedly during an impeachment trial, and it is not an unreasonable interpretation of Trump’s words that day.

But meanwhile, federal prosecutors are fanning across the Internet, tracking down and indicting leaders of the mob, which appears to have been far more organized and pre-planned than we thought initially. Every bit of evidence that the rampage was actually a plot undermines the case that Trump’s somewhat ambiguous words shortly before the event are responsible for causing it. You can argue that the rampage was planned or you can argue that Trump caused it. You can’t argue both.

In reality, the animus that energizes the call for impeachment and conviction has its roots long before the events of Jan. 6. Democrats’ grievances against Trump are mostly justified. He’s a horrible man, and deserves his ignominy. But Democrats should calculate what’s best for them, and not what’s worst for Donald Trump.