According to the Constitution, "senators, when sitting on a trial of impeachment, 'shall be on Oath or Affirmation.'"
"The Oath taken in an impeachment trial is different. It is a juror’s oath and a judge’s oath—not a legislator’s oath."https://t.co/VclVRHlyfK

— Bill Kristol (@BillKristol) December 13, 2019