Answer: Donald Trump
Step-by-step explanation:
Romney's vote marked the first time in American history a senator voted to convict a president of his own party. On the second charge, the Senate voted 53 to 47, in a party-line vote, to find him not guilty on the charge of obstruction of Congress. (Wikipedia Mascaro, Lisa; Clare Jalonick, Mary (February 5, 2020). "Not guilty: Trump acquitted of both impeachment charges". The Mercury News. Archived from the original on February 6, 2020. Retrieved February 5, 2020.)