A U.S. Secret Service agent sanitizes Vice President Mike Pence's desk as a coronavirus disease (COVID-19) precaution before Democratic vice presidential nominee Senator Kamala Harris and U.S. Vice President Mike Pence participate in their 2020 vice presidential campaign debate held on the campus of the University of Utah in Salt Lake City, Utah, U.S., October 7, 2020. REUTERS/Lucy Nicholson TPX IMAGES OF THE DAY