Sorry SpectatorA tale of two magazines, separated at birth. By Denis Boyles A friend of mine has had the misfortune of being hired to run a fairly well-known glossy magazine in London, one that competes for readers with a handful of other magazines, all exactly alike. We know. We looked at a pile of them. They're all identical. Having found a formula that delivers success on the newsstand, the only circulation battlefield that counts in the U.K., they each replicate themselves month after month after month Until very recently, that problem didn't really exist among British political magazines. The New...