as if the vice president the trying to buy more time. they made it clear he's going to watch tonight's debate. what is he looking for in tonight's debate that will somehow move him in either direction? >> well, there's no doubt he's be assessing secretary clinton's strength. that's what i'm being told by sources. having said that, they say his indecision really rests on an indecision within his family about whether he feels as though they have the emotional strength to move forward with this, given the recent loss of his son beau. and another point, chuck. the vice president wants to be very certain he has a path to victory if he decides to get into this race. i'm being told that he sees the path to victory through south carolina. now, there are a lot of filing deadlines coming up as you know. they're looming, they're one of the things putting pressure on the vice president. the first one, october 29th, which is georgia. then a whole slew of filing deadlines in november and december. south carolina by the way