NEW YORK (CNNMoney.com) - Coca-Cola, fearing Wal-Mart would launch its own sports drink to rival the beverage giant's Powerade if it didn't agree to the retailer's new distribution terms, caved under the pressure and altered its own century-old supply system, a published report said Thursday. Wal-Mart, the world's largest retailer, asked Coke last year to switch to the straight-to-warehouse delivery method, and Coke's largest bottler, Coca-Cola Enterprises (Research) (CCE), began doing so across much of the U.S. in April, the Wall Street Journal said. But according to June 1 court filing by Coke, the company stated that it faced a...