Diplomacy: The administration's apology tour continues with a mea culpa to the world's worst human-rights violator for Arizona's enforcement of U.S. immigration law. You'd think Tiananmen Square was in Phoenix. In talks last week with China on the subject of human rights, the U.S. delegation volunteered how sorry we were for Arizona's decision to protect its citizens and its border against illegal immigration — the operative word being "illegal." You would assume the Chinese broached the subject to blunt any criticism of their policies and record. But our delegates beat them to it by groveling on their own initiative in...