ELECTIONSBiden campaigns in Warren, MichiganThe Detroit NewsDemocratic presidential candidate former Vice President Joe Biden speaks during a campaign event on manufacturing and buying American-made products at UAW Region 1 headquarters in Warren, Mich., Wednesday, Sept. 9, 2020.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden speaks during a campaign event on manufacturing and buying American-made products at UAW Region 1 headquarters in Warren, Mich., Wednesday.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden speaks during a campaign event on manufacturing American products at UAW Region 1 headquarters in Warren.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden speaks at a campaign event on manufacturing and buying American-made products at UAW Region 1 headquarters in Warren, Mich., Wednesday, Sept. 9, 2020.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden speaks during a campaign event on manufacturing American products at UAW Region 1 headquarters in Warren, Mich., Wednesday, Sept. 9, 2020.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden arrives to speak during a campaign event on manufacturing and buying American-made products at UAW Region 1 headquarters in Warren, Mich., Wednesday.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden arrives to speak during a campaign event on manufacturing and buying American-made products at UAW Region 1 headquarters in Warren.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden speaks during a campaign event on manufacturing American products at UAW Region 1 headquarters in Warren.Patrick Semansky, APAttendees sit in socially-distant circles as they listen to Democratic presidential candidate former Vice President Joe Biden speak during a campaign event on manufacturing American products at UAW Region 1 headquarters in Warren.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden speaks during a campaign event on manufacturing and buying American-made products at UAW Region 1 headquarters in Warren.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden speaks during a campaign event on manufacturing and buying American-made products at UAW Region 1 headquarters in Warren.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden speaks during a campaign event on manufacturing and buying American-made products at UAW Region 1 headquarters in Warren.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden speaks at UAW Region 1 headquarters in Warren.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden displays a card he carries showing daily updates on American troop casualties and coronavirus infections as he speaks during a campaign event on manufacturing and buying American-made products at UAW Region 1 headquarters in Warren.Patrick Semansky, APDemocratic presidential candidate former Vice President Joe Biden reads from a card he carries showing daily updates on American troop casualties and coronavirus infections as he speaks during a campaign event on manufacturing and buying American-made products at UAW Region 1 headquarters in Warren, Mich., Wednesday, Sept. 9, 2020.Patrick Semansky, AP