when he couldn't tell you how many houses he's had. that's one of the weaknesses exposed pm there's been a real lag in terms of his support with blue collar, middle class voters. it speaks to his potential vulnerability. that gets to michelle's point, santorum's challenge was to take that, he has the social conservative roots, expand it with an economic message and that's a real tough combination. hasn't done it. >> dr. peterson, what do you think that mrs. santorum means when she says that if president obama is elected again, we will lose our nation? >> i have no idea what she means. >> is the president a threat to our civilization in. >> absolutely not. this has to make us wonder what they are really talking about. clearly this president like