|Lollapalooza took another blow against a possible return when the Amelia Earhart of rock & roll, Guns n' Roses, officially ended negotiations with tour organizers to headline the summer festival. "It just doesn't coincide with our schedule," said a source close to the band. "It's not a no on necessarily a conceptual side. The time they were to start the thing [July or August] doesn't really fit what's going on for us." The source added, however, that the Gunners will be on the road some time this year. Why is that so hard to believe? . . .