(UPDATED) Death toll passes 2,200 as Samaritan’s Purse field hospital opens in Les Cayes. LES CAYES, Haiti — A gang leader is offering a truce as well as help for communities in southwestern Haiti that were shattered by an earthquake, raising a glimmer of hope for relief operations that have been disrupted by the looting of aid trucks and other disorder. It remained to be seen whether anything would come from Sunday’s offer by Jimmy Cherizier, alias “Barbecue.” While he is a powerful crime boss, Cherizier is far from the only gang leader in Haiti, and widely spread social media…