Forbidden Fruit: Counterfactuals and International RelationsCould World War I have been averted if Franz Ferdinand and his wife hadn't been murdered by Serbian nationalists in 1914? What if Ronald Reagan had been killed by Hinckley's bullet? Would the Cold War have ended as it did? In Forbidden Fruit, Richard Ned Lebow develops protocols for conducting robust counterfactual thought experiments and uses them to probe the causes and contingency of transformative international developments like World War I and