After nine years and more than 430 broadcasts, Chuck Todd has his final show as Meet the Press moderator and passes the baton to Kristen Welker. Sen. Bill Cassidy (R-La.) joins for an exclusive interview amid concerns about Minority Leader Mitch McConnell’s (R-Ky.) health. Plus, Gov. Gavin Newsom (D-Calif.) exclusively joins and puts any speculation about a 2024 presidential bid to rest.