MEXICO: Come & Get It

Ever since her triumphant revolutionaries rewrote the constitution in 1917, Mexico has been one of the easiest places in the civilized world in which to get a divorce. About all a man had to do was to walk into court, tell his troubles to the judge, pay the necessary fees and wait for a clerk to fill out his certificate.

Despite the fact that most U.S. state courts refused to recognize them, Mexican quickie and proxy divorces have long been popular with U.S. citizens. More than 1,000 U.S. petitioners a year enjoy south-of-the-border liberation.

Last week, in a 9-to-7 decision, Mexico's...