The 'overturning the election result' is the weakest argument ever. The simple fact that
the Founding Fathers put impeachment into the constitution is a death blow to that one.
As for interfering in 2020, in context, the Trump bribe to Zelensky knocks that on the head.
Next they'll be saying that campaigning is interference in 2020. Oh, lawful campaigning is ok.
Ok, back to asking a foreign government to find dirt on one of your possible 2020 opponents.
Game set match, which reminds me the Melbourne tennis starts today.