You must have misunderstood the wording of the question as it was asked.
“You must have misunderstood the wording of the question as it was asked.”
Impeachment “post facto” isn’t a Bill of Attainder.
It isn’t ex post facto if the impeachment charges an act that was illegal when committed.
Ex post facto is why we have “grandfather clauses” - if ownership of warthogs is outlawed on friday, you can’t be imprisoned for owning a warthog on thursday.
Your thursday hog is “grandfathered”.
The stretch here is that the democrats will probably claim that a post office impeachment is merely a continuation of an impeachment begun in office.