Actually, there is an impeachable offense! Biden illegally used US taxpayer money to extort Ukraine to fire the prosecutor who was investigating his son. Who knows what else he has done. In any case, based on this action alone, Biden is unfit to hold any office.
Great point!
How is this quid pro quo of Biden's any different than a "bribe", as in "...treason, bribery, or other high crimes and misdemeanors"?