NBC News' Chief Data ******* yst Steve Kornacki breaks down key primary races in Massachusetts, including how 80-year-old progressive Sen. Ed Markey (D-Mass.) won against Rep. Seth Moulton (D-Mass.). NBC 10 Boston's Matt Prichard previews Sen. Markey's general election prospects.

#markey

NBC News projects that Abdul El-Sayed has won Michigan's Democratic Senate primary, securing the nomination in a close race against Rep. Haley Stevens. NBC News' Steve Kornacki breaks down the voting numbers.

#senate #stevens #kornacki #primary