Republicans' internal divisions, and divisions with President Trump, made legislating nearly impossible during Trump's first term. There's little sign that thing would be different should he be re-elected.And Sen. Ed Markey, Democrat of Massachusetts, won his primary against Rep. Joe Kennedy III. Congressman Richard Neal, chairman of the House Ways and Means committee, also held-off a insurgent challenger. But the contests illustrate a new reality of Democratic politics: primary challenges are here to stay.This episode: campaign correspondent Asma Khalid, congressional reporter Kelsey Snell, and congressional editor Deirdre Walsh.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.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy