The leader of a major gang on Monday defied Haitian President Rene Preval’s orders to disarm, saying his followers would give up their weapons only if U.N. peacekeepers stop conducting raids in the slums. Earlier this month, Preval told gang members suspected of being behind a surge of kidnappings and attacks in this impoverished Caribbean nation that they must disarm or face being killed. Gang leader Amaral Duclona’s refusal comply sets up one of the biggest challenges to Preval since he became president in May. Full Story