The proceedings also are feeding the tumultuous 2020 run for the White House.
A majority of senators expressed unease with Trump's pressure campaign on Ukraine that resulted in the two articles of impeachment. But there was nowhere near the two-thirds vote necessary in the Republican-held Senate to remove the president from office.
He was found not guilty of both articles of impeachment. Trump is eager to use the tally as vindication, a political anthem in his reelection bid.