The Washington Roundtable discusses new information that has emerged about Joe Biden’s decline while in office, and his advisers' efforts to downplay it, as chronicled in several new books. The group also discusses the challenges faced by members of the press as they report on Donald Trump’s signs of aging and his long-standing incoherence. “I think that’s where we run into trouble,” the staff writer Susan B. Glasser says. “Donald Trump has always been quite ignorant. He’s always been a fact checker's nightmare. He’s always rambled. He’s always lied. And, yes, he’s always not known basic facts about the American system of government. So where do we discern a trajectory with him? How does age factor into it?”

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