"DisneyWar," James B. Stewart's expose of Michael Eisner's 20-year tenure at Disney, arrived in bookstores Wednesday -- three weeks ahead of schedule. Publisher Simon & Schuster, which had sought to preserve a publicity campaign tied to the original release date of March 7, decided earlier this week to accelerate publication. Several Disney executives and reporters had seen early drafts of the manuscript, which paints a decidedly unflattering picture of Eisner's time atop the Mouse HouseMouse House. The leaks generated so much publicity for "DisneyWar" that industry insiders have begun to speculate whether the accelerated schedule was an elaborately choreographed PR...