Why didn't the "age argument" work for Seth Moulton's campaign against Ed Markey?

GBH News politics reporter Adam Reilly joined Morning Edition host Tori Bedford to unpack Sept. 1's eventful Massachusetts primary election, which saw several incumbents hold strong, including longtime Senator Ed Markey. 0:00 Markey-Moulton race 3:03 MA-06 Congressional primary 4:08 Incumbency vs. progressivism 5:23 Mike Minogue's GOP primary win 6:22 Brownsberger-Lander race GBH News wants to hear from YOU! We are conducting our annual audience survey 📝 https://bit.ly/3ZQXSQr. This will help us understand your interests and what you want to see more of from us. It only takes a few minutes, and we are grateful for your input. 🙌 GBH News is a premier source for in-depth local news and original story telling based in Boston, Massachusetts. Subscribe to the GBH News YouTube channel: https://www.youtube.com/c/gbhnews?sub... Subscribe to our GBH Daily newsletter at https://www.wgbh.org/daily?utm_Newsle... Follow GBH News on Instagram:   / gbhnews   Like GBH News on Facebook:   / gbhnews   Visit our website: https://www.wgbh.org/news Support GBH and help shape a future where facts matter, stories unite us, and everyone has access to quality media. Join us. Fund the Future: https://bit.ly/FundtheFutureYT