Robert J. Art is reputed to be a knowledgeable American Foreign Policy and International Relations writer. Robert Art ascribes to the theory or "neo-realism," which believes that force still underlies the power structure in the modern world. He regularly is invited to consult and lecture to armed services in the US and abroad, in addition to his normal responsibilities as a writer and professor. Wikipedia
The definitive Wikipedia entry for Robert J. Art. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Robert_J%2e_Art