Infrastructure could be the next big focus, if an influx of children and teens at the U.S. souther border doesn't force action on immigration legislation. But without filibuster reform, the chance of passing legislation on racial justice or voting rights are low.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.