Some Republican lawmakers have branded the efforts to teach about the effects of racism as "critical race theory." They have introduced legislation in statehouses around the country hoping to ban it.This episode: congressional correspondent Susan Davis, racial justice and politics correspondent Juana Summers, and political reporter Barbara Sprunt.Connect:Subscribe to the NPR Politics Podcast here.Email the show at nprpolitics@npr.orgJoin 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.