Are the liberal arts still relevant? President Michael Roth answered this question and more as a guest on "Essential Pittsburgh," a show on Pittsburgh's NPR station. As he argues in his book, Beyond the University: Why Liberal Education Matters, Roth explains, "There's an American tradition of liberal education that goes back as far as the origins of the country and emphasizes the pragmatic dimensions of broad, contextual study. It's not so much that you take Latin and Greek or that you study religion rather than, let's say, biology, it's that whatever you study, you study it in connection to other things, understanding how what you're focused on…