A man holds a sign that says “VOTE” outside Mankato Regional Airport as President Trump makes a campaign stop on Aug. 17 in Mankato, Minn. Both Trump and Democratic nominee Joe Biden visit the state Friday.

MANKATO, MN – AUGUST 17: A man holds a sign that says “VOTE” outside Mankato Regional Airport as President Donald Trump makes a campaign stop on August 17, 2020 in Mankato, Minnesota. Trump spoke at the airport before continuing on to a campaign stop in Oshkosh, Wisconsin. (Photo by Stephen Maturen/Getty Images)