The 1980s were an era of heavy rock and hard drugs. The drug of choice? Cocaine. At the time, public health experts predicted a coming generation of "crack babies" — a wave of children who were mentally and physically disabled after having been exposed to crack in the womb. But scientists are finding that despite the rampant drug use, the predicted generation of children never appeared. We are joined by Susan Okie, a New York Times reporter, who has been reporting on this story.