Who Will Run for Kerry's Seat if He's Appointed Secretary of Defense?

The Washington Post is reporting that President Obama is considering appointing Massachusetts U.S. Sen. John Kerry as the Secretary of Defense. There was speculation Kerry would be the next Secretary of State. 

Kerry's move would open up his current seat. Should he be appointed, a special election would be held to finish out Kerry's term, which expires in 2014.

Conversation from the breakfast table this morning to the morning commute has everyone talking - who will run for Kerry's U.S. Senate seat if he's appointed? Could it be Scott Brown? Or maybe Ed Markey or Michael Capuano?

Tell us: who do you think will run for Kerry's seat if he's appointed? Let us know in the comments section below.