President Biden is trying to reassure worried Democrats after his lackluster debate appearance. A day after delivering, what even many Democrats said was, a disastrous debate performance, the president acknowledged it wasn’t his best moment. He told a crowd of supporters that he’s “not a young man” anymore, but he knows “how to tell the truth.” That was a reference to Donald Trump’s multiple false or questionable claims at Thursday’s debate. With some Democrats worried about Biden on the ticket, the president said he’s getting back up after getting knocked down.reports.