Proponents of the Dubai Ports transaction make two main arguments that in their view prove conclusively that the deal is in the best interests of the United States: First, that guaranteeing our ports security means that they will remain in the hands of U.S. authorities and, second, that the UAE is a friendly country cooperating with the U.S. military in a variety of ways and thus contributing to the war on terror. What if, for the sake of argument, we agree that both of these assumptions are true, yet there are nonetheless compelling reasons to oppose the deal on national-security...