Commanding Heights: The Battle for the World Economy, premieres on PBS April 3, 10, and 17, 2002 at 9:00 PM ( check local listings ). Based on the book by Pulitzer Prize winner Daniel Yergin and Joseph Stanislaw, this six-hour limited series traces the evolution of the modern global economy through the nine tumultuous decades since World War I. And a Ben Wattenberg interview transcript. An exerpt: BEN WATTENBERG: Hello, I’m Ben Wattenberg. When Soviet dictator Vladimir Lenin coined the phrase ’the commanding heights’ he was referring to the locus of national economic power. That is, the major enterprises...