As world leaders convene in Japan for the G7 summit, contemporary concerns including climate change and Russia's invasion of Ukraine are on the agenda alongside a resurgent worry: nuclear war.This episode: White House correspondent Tamara Keith, White House correspondent Scott Detrow, and international correspondent Anthony Kuhn.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.