Democratic presidential nominee Joe Biden waves to supporters before speaking at a drive-in rally in Dallas, Pa., on Oct. 24. In a separate photo, President Trump campaigns in Gastonia, N.C., on Oct. 21.

(COMBO) This combination of pictures created on October 30, 2020 shows Democratic presidential nominee and former Vice President Joe Biden waves to supporters before speaking at a Drive-In rally at Dallas High School, in Dallas, Pennsylvania, on October 24, 2020, and US President Donald Trump arrives to hold a Make America Great Again rally as he campaigns in Gastonia, North Carolina, October 21, 2020. (Photos by Angela Weiss and SAUL LOEB / AFP) (Photo by ANGELA WEISS,SAUL LOEB/AFP via Getty Images)