This week, as millions of American kids prepare their costumes for the biggest chocolate consumption holiday of the year – Halloween – most are unaware of the 2 million children laboring in West African cocoa fields.  Likely none share industry experts’ worries about the sustainability of cocoa supplies in the world.  Yet cocoa, which has the lofty Latin name, Theo Broma (fruit of the gods), has proven to be one of the most difficult development conundrums for those who advocate for international trade as a path to prosperity for developing nations.