Experts warn the killing of Iran's top security chief Ali Larijani was a move to crush diplomacy. The master strategist was trusted by both the IRGC and the Supreme Leader. He contributed to the Nuclear Deal. And Larijani was a rare voice of pragmatism in Iran, the one who could bridge the gap between Tehran and the West. Now hawks fill the vacuum. Hear the full expert analysis on why this strike could be a game-changer and spell disaster for the region.