On Point

If Joe Biden and Donald Trump are on the ballot in November, they’ll be the oldest presidential candidates in U.S. history. How does age affect our memory, cognition, and even the ability to be president? Zaldy Tan joins Deborah Becker. About: On Point is WBUR’s award-winning, daily public radio show and podcast. Every weekday, host Meghna Chakrabarti leads provocative conversations that help make sense of the world.