Read previewFor months, Democrats have rallied behind President Joe Biden, insisting that in private moments he's energetic and up for the job.
"Joe Biden had one thing he had to do tonight, and he didn't do it," McCaskill said.
Thomas FriedmanThomas Friedman, a journalist and close friend of Biden, said in an opinion piece that the president should step aside.
Nicholas KristofNicholas Kristof, a New York Times columnist, addressed Biden directly in an opinion piece, calling on him to step down.
Paul KrugmanPaul Krugman, a New York Times opinion columnist, said he "very reluctantly" joined others in calling on Biden to step aside.
Persons:
—, Joe Biden, Biden's, David Axelrod David Axelrod, Obama, Joe Raedle, David Axelrod, Biden, Axelrod, Jason Mendez, Getty, Jon Favreau, haven't, Joe Biden —, Dan Pfeiffer, Tommy Vietor, Claire McCaskill Claire McCaskill, NBC Claire McCaskill, McCaskill, Kamala Harris, Gavin Newsom, Thomas Friedman Thomas Friedman, Michael Cohen, Thomas Friedman, Friedman, Donald Trump, Harris, Van Jones, Scott Dudelson Van Jones, Jones, Joy Reid, Ben Rhodes Ben Rhodes, Ben Rhodes, Nicholas Kristof Nicholas Kristof, Jamie McCarthy, Getty Nicholas Kristof, Kristof, Gretchen Whitmer, Sen, Sherrod Brown, Gina Raimondo, Evan Osnos, Thos Robinson, Osnos, Joe Scarborough, Noam Galai, Scarborough, Paul Krugman Paul Krugman, Paul Krugman, he's, Krugman, Chandler West, Joe
Organizations:
Service, Democratic National Convention, Business, GOP, Biden, CNN, Democratic, NBC, MSNBC, Gov, New York Times, Convention, CBS, Getty, Trump, Global Citizen, The New York Times, Chandler West Chandler West, White House, Axios, White
Locations:
America, California, Michigan, United States, Axios