Second Presidential Debate: Trump, Biden fight over the raging virus, climate and race

President Trump speaks during the final debate Thursday.

Biden speaks during the final debate Thursday. (AP Photos/Julio Cortez)

First lady Melania Trump and President Donald Trump remain on stage as Democratic presidential candidate former Vice President Joe Biden walks away at the conclusion of the second and final presidential debate Thursday at Belmont University in Nashville, Tenn. (AP Photo/Julio Cortez)

President Donald Trump and Democratic presidential candidate former Vice President Joe Biden participate in the final presidential debate at Belmont University, Thursday, in Nashville, Tenn. (Jim Bourg/Pool via AP)

NASHVILLE, Tenn. — President Donald Trump and Democratic challenger Joe Biden fought over how to tame the raging coronavirus during the campaign’s closing debate, largely shelving the rancor that overshadowed their previous face-off in favor of a more substantive exchange that highlighted their vastly different approaches to the major domestic and foreign challenges facing the nation.