Sign up for the MSNBC newsletter

You have been successfully added to our newsletter.

You will be up to date with all our MSNBC updates, including special offers

Let our news meet your inbox

UP

This is a paid advertisement. This content is created by the advertiser and the NBC News sales department, not the NBC News editorial team. Learn more here.

What happens when one party rules a state for decades

Now that longtime Congressman Ed Markey and political newcomer Gabriel Gomez have won the Democratic and Republican primaries for Massachusetts’ open Senate seat, Steve Kornacki examines the close race and the state’s history of electing Republicans.

Best of MSNBC

Play All