What if we could change the public behavior we find threatening - behavior like speeding or reckless driving or even shootings?

Talk to Dr. Gary Slutkin and Hans Monderman, and they will tell you it is quite possible. In fact, they will tell you how they are doing it.

Dr. Gary Slutkin is founding director of , a Chicago-based organization that is having remarkable success in slashing the number of killings in targeted neighborhoods. Dr. Slutkin is applying his skills in epidemic control learned during his service at the World Health Organization to the epidemic of violence.

Hans Monderman is one of the new breed of traffic engineers - equal parts urban designer, social scientist, civil engineer and psychologist. His work in the Netherlands is being adapted to cities throughout Europe and the U.S.

We'll talk with CeaseFire founder Dr. Gary Slutkin and traffic engineer Hans Monderman on "Smart City."