Biden blows it: ‘Car crash’ TV debate throws US President’s election bid in doubt [Video]

But Lord Darroch, who was Britain’s ambassador to Washington and a former National Security Adviser, told BBC radio that Mr Biden “should stand aside”. The former envoy, who lost his job after a row with then President Trump, said: “This was a historically bad performance. He was inaudible, incoherent, he lost his train of thought several times, some of his answers made simply no sense.”