In late 1967, a young Nicaraguan American UCLA graduate named Patrick Arguello wrote to a friend about the death of Ernesto “Che” Guevara. The insurgent leader had been killed in Bolivia by CIA-trained Special Forces while trying to raise the rural masses against their right-wing government. Che was a hero of Arguello’s, and he was devastated by the news. But Che’s death did not signal “the end of the struggle,” Arguello wrote. Soon Arguello was running errands for the Sandinistas, and in 1970