Steven Pinker: Threats, Bribes, and Come-ons...
Season 2013 Episode 41 | 1m 54s
Steven Pinker is a Professor in the Department of Psychology at Harvard University. Among many other subjects, he researches and explores cognition, language and the history of human violence. In his off-hours, he appears on "The Colbert Report" where he endures endless jokes about his hair from host Stephen Colbert.