A woman watches Joe Biden at a campaign event

Democrats Anxious About Impact COVID-19 Having On Biden Campaign

Democrats worry that the coronavirus threatening the country's health may also be threatening their chances to defeat President Trump.

0:44The Democratic National Convention in Philadelphia

Democratic National Convention Delayed Due To Coronavirus

3:36Vote by mail

Democrats Urge Congress, States To Adopt Vote-By-Mail

3:12Person examines machinery

Amid Pandemic, Expert Says U.S. Election Is 'Trivially Hackable'