There was a time when Rolling Stone the magazine was relevant. It no longer is so and it looks like the publishers are slowly conceding that; I just got my new Rolling Stone in the mail and what young hot artist is on the cover but Led Zeppelin. In the past year the Beatles have been on the cover twice, the Rolling Stones have been on the cover, Bruce Springsteen was on the cover ext… while once relevant Rolling Stone has turned into a geezer nostalgia magazine. Here are some ideas for Cover Stories in the coming weeks to keep things somewhat relevant: Gnarls Barkley, girls of summer of 06 issue with Nelly Furtado, Cassie and Rihanna on the cover,  how about a cover with Furtado and Justin Timberlake with their producer Timberland looming behind them, an Emo cover issue ext…