Two hundred and forty years after his country ostentatiously tore up its membership card in the British Empire, the American president is traveling to London to warn the British not to do the same with theirs for Europe. It’s a bit rich, as some Brits would put it, but Barack Obama has not merely the right but the obligation to make his case. He’s smart enough, no doubt, to be subtle about it. Like most people, the British don’t take well to being bossed around by foreign leaders. He should keep his message simple, too, and along the following lines: A British exit from the European Union, which will be decided by a ... (full story)