The Impeachment Clause & the Speech & Debate Clause would make any such suit total BS — & a frivolous abuse of the Judicial Power. Rule 11 sanctions would be in order against Trump and his attorneys, and the very filing of the suit could be impeachable. https://t.co/juXh7trvt8

— Laurence Tribe (@tribelaw) October 13, 2019

Nancy Pelosi should encourage, even taunt him to sue.