Joe Biden Campaigns In Warren, Michigan

DETROIT, MICHIGAN - SEPTEMBER 09: Wearing a face mask to reduce the risk posed by the coronavirus, Democratic presidential nominee Joe Biden gives a fist bump to Clement Brown while shopping at Three Thirteen, an apparel store on the city's Avenue of Fashion, September 09, 2020 in Detroit, Michigan. Biden is campaigning in Michigan, which President Donald Trump won in 2016 by less than 11,000 votes, the narrowest margin of victory in state's presidential election history. (Photo by Chip Somodevilla/Getty Images)