Biden campaign tells donors president can recover from subpar debate performance NBC NewsBiden camp holds ‘difficult' calls with donors; Trump seeks delay of criminal sentencing after immunity ruling - live The Guardian USRep. Quigley on Biden's debate performance: 'It wasn't just a horrible night' POLITICOBiden team courts skittish Democrats as path to replace him narrows The Washington PostReplace Joe Biden: The case for the president's candidacy is very weak Vox.com