“Someone who is Irish can have a loyalty to Ireland. The problem is when you raise the subject of dual loyalty, many people tend to think of it in the context of the old anti-Semitic canard and making the argument that Jews are disloyal to the U.S.”

American political scientist and international relations scholar

John Joseph Mearsheimer is an American political scientist and scholar of international relations, and a professor at the University of Chicago. He is known for his work on great power politics and the theory of offensive realism. His writing and teaching focus on how states compete for power in an anarchic international system. He has become widely associated with realist thinking in international affairs, especially questions of security, rivalry, and the behavior of major powers.