John E. Herbst, former US ambassador to Ukraine and senior director of the Atlantic Council’s Eurasia Center, said he has little doubt that Russia offered to stop sharing intelligence with Iran in exchange for the United States ending intelligence support for Ukraine. In an interview with Kyiv Post, Herbst said: “I would be surprised if Russia had not made this offer. There’s no question that Ukraine is the principal national security problem for Putin. His war is not doing very well. It’s now