On 15 October 2025, I was on Glenn Diesen’s podcast with Jeff Sachs talking about Jeff’s newly minted concept of “spheres of security,” which he sees as a major advancement over “spheres of influence.” He opened the discussion by making the case for moving to a world of spheres of security and I then explained why I think that is not possible and we are instead destined to live in a realist world, where spheres of influence are part of the warp and woof of daily life.
John J. Mearsheimer, PhD, is an American professor of Political Science at the University of Chicago. More recently Mearsheimer has attracted attention for co-authoring and publishing the article The Israel Lobby and U.S. Foreign Policy, which was subsequently published as a book.
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