IAm Richard Epstein, professor of law at NYU, senior fellow at the Hoover Institution, and professor emeritus at the University of Chicago, AMA.
People ask me what my specialty in law is. My answer has always been, don't have one, but if you have a question, I will try to concoct an answer. Not a bad credo, given the risks of overspecialization.
Here is my proof of Descartes rule that I am who I am. http://imgur.com/pEeYWk9