Hudson Senior Fellow Mario Mancuso sits down with Ambassador John Sullivan, who served as United States ambassador to Russia immediately before, during, and after Russia’s invasion of Ukraine in 2022.One of America’s most distinguished public servants, Ambassador Sullivan has served under five US presidents, in leadership roles at four cabinet departments, and as deputy secretary of the Departments of State and Commerce. Amid the ongoing debate about additional US funding for Ukraine, Ambassador Sullivan gives a bird’s eye view of some of the most consequential geopolitical events in recent times, including the lead-up to Russia’s invasion of Ukraine, the regime dynamics in the Kremlin and what they mean for Vladimir Putin’s future, Hamas’s brutal attack on Israel, and Iran’s proxy war in a changing Middle East.The conversation will continue in a second part coming soon.