Glenn Kessler @GlennKesslerWP
Cornyn staff says "unprecedented" refers to a presidential impeachment, not to the idea that a senator is the presiding officer rather than SC chief justice. Cornyn was there for the Porteous impeachment trial, when Sen. Inouye presided. — PolitiTweet.org
Senator John Cornyn @JohnCornyn
Unprecedented; never happened in all of American history. So there isn't a Senate rule or constitutional provision… https://t.co/kpRj3V7UnO