NEW YORK - Retirement ill suits the legendary Lee Iacocca, but he finds himself unable to reclaim his former throne. So, like Shakespeare's King Lear, he rages at the people who inherited his kingdom, these upstarts who flatter him but spurn his advice and shunt him aside. It's an old story and it will end in the usual way, with the former chief executive roaring in vain as his successors go about their business without his input. Iacocca, the former Chrysler chairman, is now free to talk after the expiration of a five-year vow of silence that was part of...