The latest NPR/PBS NewsHour/Marist National Poll shows more than six in 10 Americans are concerned about President Biden's mental fitness, but his approval rating has increased four points from last month's survey. The poll also explored attitudes toward the debt ceiling, and to issues surrounding gun control. We dig into the numbers, and make sense of them. This episode: political correspondent Susan Davis, White House correspondent Franco Ordoñez, and senior political editor and correspondent Domenico Montanaro.The podcast is produced by Elena Moore and Casey Morell. Our editor is Eric McDaniel. Our executive producer is Muthoni Muturi. Unlock access to this and other bonus content by supporting The NPR Politics Podcast+. Sign up via Apple Podcasts or at plus.npr.org. Connect:Email the show at nprpolitics@npr.orgJoin the NPR Politics Podcast Facebook Group.Subscribe to the NPR Politics Newsletter.