Vice President Kamala Harris can cast a tie-breaking vote in the Senate; that means that Democrats effectively hold a majority in the chamber. But the even split means that the body's top leadership needs to work out terms for how things like committee membership work.This episode: political reporter Juana Summers, congressional correspondent Susan Davis, and national political correspondent Mara Liasson.Connect:Subscribe to the NPR Politics Podcast here.Email the show at nprpolitics@npr.org.Join the NPR Politics Podcast Facebook Group.Listen to our playlist The NPR Politics Daily Workout.Subscribe to the NPR Politics Newsletter.Find and support your local public radio station.