There is a useful piece of forgotten history about the magazine business. The competing weeklies — Time, Newsweek, U.S. News — fought viciously for the cover. Whichever face landed on the newsstand on a Monday morning won the week, and you could measure it down to the dollar. They competed for eyeballs. But they cooperated on paper. They cooperated on ink. They cooperated on postal rates and truck routes and newsstand placement and the distribution rails that got the cover in