The former vice president said the White House's focus should be on the coronavirus pandemic.
The "Good Morning America" co-host said he's asymptomatic.
Studio camera operator Tony Greer was one of the "Good Morning America" family, the anchor said.
The comedian and wife of "Good Morning America" anchor George Stephanopoulos said she is in "pure misery."
The housing secretary said there's "no reason" a "healthy person" should not attend a political rally for Donald Trump.
Robert O’Brien denied that Russia is trying to interfere in the 2020 election in Trump's favor, and brought up Bernie Sanders' 1988 honeymoon in Moscow.
"Things happen," Richard Shelby of Alabama said, referring to the president's efforts to get Ukraine to investigate Democratic rival Joe Biden.
He's already impeached, regardless of any "gamesmanship" by Senate Majority Leader Mitch McConnell, the House speaker declared.
The secretary of state was the Trump administration's most visible advocate for military conflict with Iran.
The GOP congressman repeatedly claimed that the president wasn't serious when he said China should investigate Joe Biden.