Markey is 80 years old and has been in Congress longer than his opponent, Rep. Seth Moulton (D-MA), has been alive.

Young Massachusetts voters agree that 80-year-old U.S. Sen. Ed Markey stumbled when asked during a debate how he uses artificial intelligence.

Young Massachusetts voters agree that 80-year-old U.S. Sen. Ed Markey stumbled when asked during a debate how he uses artificial intelligence