Joe Biden has been a national political figure for more than 20 percent of the United States' history. His policies and public figure have evolved over time, in ways that reflect how his Democratic Party also changed. We look back on the legacy of a man who was both one of the youngest senators ever elected, and the oldest person to serve as president. This episode: political correspondent Sarah McCammon, senior political editor and correspondent Domenico Montanaro, and senior national political correspondent Mara Liasson.The podcast is produced by Kelli Wessinger, and edited by Casey Morell. Our executive producer is Muthoni Muturi.Listen to every episode of the NPR Politics Podcast sponsor-free, unlock access to bonus episodes with more from the NPR Politics team, and support public media when you sign up for The NPR Politics Podcast+ at plus.npr.org/politics.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy