In this combo photo, the two candidates for President of the United States visit the Wall of Names at the Flight 93 National Memorial for the 19th observance of the terrorist attacks on America on Friday, September 11, 2020, near Shanksville, Pennsylvania. President Donald Trump left is maskless while former Vice President Joe Biden wears a mask as he places a wreath. Nearly 200,000 Americans have died due to COVID-19. Photo by Archie Carpenter/UPI