What the old establishment can teach the new tech elite

What are the public responsibilities of someone like Jeff Bezos or Mark Zuckerberg? At a time when their talents are sorely needed, the privileged class in the West has forgotten the tradition of public service. Bloomberg's Editor-in-chief John Micklethwait and The Economist's Political Editor Adrian Wooldridge investigate the 'non-relationship' between the New (Tech) Establishment and the public sector for The Wall Street Journal.