U.S. and Haitian authorities agree that a pastor’s ambition to rule Haiti three years ago led to theshocking assassination of the country’s president, Jovenel Moïse. But the two nations’ investigations diverge on whether Haitian-American minister Christian Emmanuel Sanon played a leading or supporting role in the slaying. Sanon, arrested in Haiti after Moïse’s death on July 7, 2021, is being held in a federal lock-up in Miami. He’s accused in Haiti of collaborating with Miami-area security contractors and recruiting former Colombian soldiers to force Moïse from power using an illegal arrest wa…