What country makes the best chocolate? Most people would answer "Switzerland," or, if they're discerning, "Belgium" or "France." But, how many cocoa trees grow in Zurich? Lyon? Antwerp? Shouldn't the country known for growing the best cocoa beans be the one that makes the best chocolate? So, captivated by theories of international trade but with precious little knowledge of cocoa or chocolate, Steven Wallace set out to build the Omanhene Cocoa Bean...