Today begins the official Senate trial of President Donald John Trump. Chief Justice John Roberts will be swearing-in all senators to begin the impeachment trial at 2:00pm ET.
First there will be a call of the roll to ensure all senators present; then the arrival of Chief Justice Roberts; then the oath of duty administered by Senator Grassley to the ¹Chief Justice of the United States, John Roberts; then Justice Roberts will swear-in all standing Senators to their oath of duty for trial.
Following the affirmation of oath, all senators will affix their signature or mark to the Senate “oath book” documenting their declaration and affirmation. Video Added:
¹NOTE: Chief Justice John Roberts is not the Chief Justice of the Supreme Court; in his official duties he is the Chief Justice of the United States of America.