I have been defending Israel's right to exist, and to defend itself against terrorism, for many years-on college campuses, in television appearances and in debate.

Simpson Case (1996); the best-selling The Case for Israel (2003); Rights From Wrongs: A Secular Theory of the Origins of Rights (2004) and The Case for Peace (2005). He has spent most of his career at Harvard Law School where in 1967 at the age of 28 he became the youngest full professor of law in its history.