Just Say Yes. None other than Bugs Bunny himself was featured on the cover of Sire Records' 1987 promotional release, the first in a series of collections spotlighting the label's wealth of musical riches. Long before Warner Bros. said "yes" to Sire, though, the company was a scrappy independent thanks to the vision of its co-founder, Seymour Stein. The music mogul who spearheaded the careers of Madonna, Ramones, Talking Heads, The Pretenders, and countless others died yesterday at the age of