Tim Scott, the junior senator from South Carolina, kicked off his presidential campaign in North Charleston on Monday, and Florida governor Ron DeSantis is expected to follow suit this week, according to multiple media reports. As the field of Republican candidates takes shape, what will contenders need to do to challenge former president Donald Trump successfully — as well as current president Biden? This episode: political correspondent Susan Davis, national political correspondent Don Gonyea, 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.