Transcript for Obama's Gun Control Might Live or Die This Week
Can't promise spirit. The make or break week after the newtown killings. The president will pressure congress in major speech near newtown today. Jon karl is at the white house. There's a push for a final compromise on background checks? Reporter: That's right, george. While the president is making the push in connecticut today, the thing to watch is here in washington. Closed-door negotiations between democrats and one of the most toomey of pennsylvania. They'll try to make a compromise on background checks. It would be a big expansion. Here's the deal. Toomey has an "a" rating from the nra. He's a tea partier. If they get miss support, it would almost certainly be enough to get it passed. If he doesn't, you could see the gun proposal die in the senate this week. It would be a significant breakthrough. But you have an uphill fight in the house. The assault weapons ban is basically dead. Reporter: It is. He wanted to limit high-capacity ma clips. That is basically dead, too. It would be one victory, a minor one, but the white house would take it.
This transcript has been automatically generated and may not be 100% accurate.