Philip BobbittPhilip Bobbitt is the Herbert Wechsler Professor of Federal Jurisprudence at Columbia University, and Distinguished Senior Lecturer at the University of Texas. He has served in the US government during seven administrations, including in the post of enior director for strategic planning at the National Security Council. Bobbitt’s books include The Shield of Achilles: war, peace and the course of history and Impeachment: a handbook (with Charles Black, Jr.). Read More Read Less