The book is supportive of the claim that any deviation from the operating principles of realism will result in failure.
The book ‘The Great Delusion: Liberal Dreams and International Realities’, by John J. Mearsheimer, a prominent international relations scholar within the realist tradition, provides a comprehensive outlook regarding US foreign policy in the aftermath of the Cold War. The main question he explores in the book has to do with what happens when a global hegemon pursues a foreign policy based on the principles of liberalism, rather than realism.
