In what is likely a first, the sitting president of the United States joined a picket line. Biden made a brief stop in Michigan wearing a ball cap and quarter-zip to address picketing auto workers through a megaphone. Trump will campaign with auto workers tomorrow.This episode: White House correspondent Tamara Keith, White House correspondent Asma Khalid, and national political correspondent Don Gonyea.The podcast is was produced by Casey Morell and Elena Moore. 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.