The rarely interviewed Si Newhouse, who died at age 89 after a long long illness early this morning, “hardly followed the pattern of the self-promoting modern tycoon, and seldom gave interviews to the press,” David Remnick writes in his appreciation of his former boss. I was lucky enough to interview Newhouse several times. The most extensive conversation took place at the height of his influence, for a New York Magazine story called “War of the Poses” (click the title to see a pdf) about the decades-long rivalry between Newhouse’s Conde Nast and the Hearst family’s Hearst Magazines.