Democratic presidential candidate former Vice President Joe Biden arrives to speak at a rally at Belle Isle Casino in Detroit, Mich., Saturday, Oct. 31, 2020, which former President Barack Obama also attended. (AP Photo/Andrew Harnik)

Policy positions of President Donald Trump and Democratic nominee Joe Biden on environmental issues. (AP Graphic)

Policy positions of President Donald Trump and Democratic nominee Joe Biden on the economy and taxes. (AP Graphic)

Policy positions of President Donald Trump and Democratic nominee Joe Biden on immigration issues. (AP Graphic)

Policy positions of President Donald Trump and Democratic nominee Joe Biden on combating the coronavirus pandemic. (AP Graphic)

Policy positions of President Donald Trump and Democratic nominee Joe Biden on foreign policy issues. (AP Graphic)

Policy positions of President Donald Trump and Democratic nominee Joe Biden on education. (AP Graphic)

Policy positions of President Donald Trump and Democratic nominee Joe Biden on abortion rights. (AP Graphic)

Policy positions of President Donald Trump and Democratic nominee Joe Biden on health care issues. (AP Graphic)

Policy positions of President Donald Trump and Democratic nominee Joe Biden on guns. (AP Graphic)