What happens at the polls tomorrow in Massachusetts could affect the entire nation and President Obama's future domestic agenda. That's why he was in Boston yesterday, trying to recapture the energy from his 2008 campaign.
Voters will go to the polls to choose between Democratic state Attorney General Martha Coakley and Republican state Senator Scott Brown. They're fighting for a seat Senator Ted Kennedy held for 46 years.
And there is no guarantee, even in New England, which is known as the bluest of the blue, that a Democrat will fill it. Our Jim Acosta reports on this critical race.