Jean-Paul Sartre originally made the term engagement a part of the existentialist vocabulary following WWII. It imples the responsibility of intervening in social or political conflicts in the hope of fostering freedom. Imagining the Possible opens different windows upon this particular engagement.Stephen Eric Bronneris Professor of Political Science at Rutgers University. He serves on the editorial boards of the journals New Politicsand New Political Science. He is the author of editor of fifteen books, including Moments of Decision(Routledge, 1992), which won APSA's Michael Harrington Book Award.