Sen. Ed Markey, who has been in Congress since 1976, defeated a challenge from Rep. Joe Kennedy III in the Massachusetts primary Tuesday.

Steve Kerrigan, CEO of the 2012 Democratic National Convention, and Jennifer Nassour, former chairperson of the MassGOP, joined Boston Public Radio on Wednesday to talk through what Markey's victory means, and what Kennedy might do next.

"This was a clash of the titans. What ended up happening was Ed Markey, rather than rolling over for Kennedy — which I don't think Joe expected him to do — energized and mobilized the activists who are really charged at this moment in time in our country," Kerrigan said.

Nassour said Kennedy is more than his family's legacy, and said there will be a future for him in politics.

"I just think he's part of the future of the Democratic party," Nassour said. "I think both of our parties need to find some balance and come back to the center a little bit, and the only way to do that is by people who are going to make concessions, are going to negotiate, are going to collaborate."

Steve Kerrigan is CEO of the Edward M. Kennedy Community Health Center and CEO of the 2012 DNC.

Jennifer Nassour is co-founder of Pocketbook Project and former chairperson of the MassGOP.