The New Yorker Radio Hour

It wasn’t so long ago that Ronald Reagan was considered over the hill, too old to govern. Now a sitting President has turned eighty in office, and a Presidential contest between Joe Biden and Donald Trump would put two near-eighty-year-olds against each other. (Trump—while denying President Biden’s fitness—commented, “Life begins at eighty.”) Yet the question of age has not disappeared; even some of Biden’s ardent supporters have expressed concerns about him starting a second term. David Remnick talks with the gerontologist Jack Rowe, a professor at Columbia University who also founded Harvard Medical School’s Division on Aging, about how to evaluate a candidate’s competency for office; and with Jill Lepore and Jane Mayer, keen observers of the Presidency. Rowe argues that ageism underlies the public discourse; an occasional slip or unsteadiness, he thinks, is not consequential to the job. “If I give you a seventy-eight-year-old man with a history of heart disease, you don’t know if he’s in a nursing home or