Mike Lee, a conservative who sits on the Senate Judiciary Committee and has tested positive for COVID-19, tweeted several times during the vice presidential debate on Wednesday night.

The fly hung on as the Republican shook his head and parried with his Democratic rival, Sen. Kamala Harris.

A look at how the running mates’ statements stack up with the facts, from the coronavirus to the economy to the environment.

During his debate with Sen. Kamala Harris Wednesday, Pence declined to walk back Trump's refusal to concede the election if he loses in November.

Pence was asked why Americans should be expected to follow federal guidelines such as mask-wearing and social distancing, when those measures have barely been seen at the White House.

The candidates were separated by plexiglass barriers in an auditorium where any guest who refused to wear a face mask would be removed.

U.S. Vice-President Mike Pence and his Democratic challenger, California Sen. Kamala Harris, are poised to meet Wednesday for a debate that will offer starkly different visions for a country confronting escalating crises.