we are gibing to -- beginning to see the changes. >> all right. tha th thanks a lot. black ice on the roadways. we have a live look at the golden gate bridge. the more sheltered roads could be dangerous places to be. it will be a concern all over the bay area. we are live with how the cold cause add few accidents today. >> reporter: that's right. the problem for drivers is ice. it's ton roadways as though it's not as cold here as it is in other parts of the country. it is certainly enough to cause a nearly full house behind me in san jose. it's an organization that counts on public donations. the heat lamp cast a wave of warmth. temperatures in the mid-to upper 40s did not discourage shoppers tonight. on the other side of san jose 40 men tried to get out of the cold at mens shelter. >> we didn't have anything like this. people could die out in this kind of weather. it gives them an opportunity to get back on their feet. it shows that our city cares. >> michael is 33. born and raised and hope to have his own place six months from now. >> i was homeless. you have to scr

that's a little catch-phrase, but what's the culture set within a firm, past because they what's gibing to motivate people's incentives and ultimately their ethics. >> so i get to the fundamental question of why they do it, you kind of have a very interesting portion of the book where you sort of survey the theories as to why white-collar criminals do what they do going back to 1800's. the view that prevailed at some point in time that suggest that you could actually tell who is going to be a white collar criminal by the way they look, their physical appearance, high fore head and pointed nose suggested that you will be an embezzler. can you tell us about that theory? >> taking place in 1939, i would not be the person that was here, it would be a colleague from harvard, ernst, well-respected person in the country when it came to talking about criminality, why crime occurs. and how he came about this. the shape and size of bodies. what he did was one of the most criminal -- even by to do's standard, lab of graduate students go out and have ten thousand convicted felons around the country