A decades-old confrontation between Washington and Havana took a dramatic new turn after former Cuban president Raúl Castro was charged in the United States with murder, sharply intensifying pressure on the island’s communist leadership. The indictment was filed on 23 April in federal court in Miami, Florida. According to the court documents, the 94-year-old faces one count of conspiracy to kill US nationals, four counts of murder and two counts of destruction of aircraft. Five other individuals are also listed as defendants…