Ukrainian political expert, Director of the Ukrainian Institute of Politics Ruslan Bortnik and American political scientist and professor at the University of Chicago John Mearsheimer. Why did NATO expansion become the main cause of the war? Why could negotiations in 2022 have changed the course of history? Is peace possible without Ukraine joining NATO? What compromise does the American political scientist consider realistic? Why does he predict a difficult future for Ukraine even after the cessation of hostilities? Can Ukraine achieve a military victory? What will Europe look like after the war ends? Why is the United States gradually shifting its attention from Ukraine to China?