Arbitration is the dispute resolution method of choice in international commerce, but it rests on a complex legal foundation. In many international commercial contracts, the parties will choose the law governing any future disputes. However, where the parties do not choose a governing law, the prevailing approach in arbitration is to afford arbitrators broad and largely unfettered discretion to choose the law considered most appropriate or most applicable. The uncertainty resulting from this discretion potentially affects the parties' rights and obligations, the performance of their contract,...