Biden blames jet lag and travel for poor debate performance BBC.comBiden’s candidacy remains under threat as top Democratic donors get cold feet Fox NewsFrom raising alarm to backing Biden, Democrats in Congress grapple with debate aftermath The HillDemocratic Unity Cracks in Wake of Biden’s Debate Performance The Wall Street JournalAcknowledging Debate Debacle, Biden Says He ‘Fell Asleep on the Stage’ The New York Times