David Mark @DavidMarkDC
Plenty of precedent for Senate president pro tempore presiding over an impeachment trial. Sen. Robert Byrd (https://t.co/ebjAASN1Fz.) did so in 1989 for the trial of Federal District Judge Walter L. Nixon, impeached and convicted/removed. https://t.co/puoLr2wf5O — PolitiTweet.org