Howell Raines, the editor who tried to shake up the New York Times, and failed, has returned to regular journalism. Radar's Fresh Intelligence reports he'll be writing a media column for Portfolio. Conde Nast's business magazine, which sells poorly on the newsstand, could use a bit of a kick to the editorial metabolism. But Howell Raines, having retired to a life of fishing in the Poconos, is no longer in that line of work.