“I’m getting so frustrated by the elites, I’m not talking about you guys, but about the elite in the party, who … know so much more,” Biden said. Those who say he should step down should “challenge me at the convention”, the president said.
Biden tells critics ‘challenge me at the convention’ after warning Democrats that talk of replacing him helps Trump – as it happened
President signals irritation in TV appearance; Biden sends letter to congressional Democrats saying he has no plans to end campaign
www.theguardian.com