If you're a Time Warner Cable subscriber, you can expect more High-Definition in the near future. Lots more. That's according to Time Warner's top executives who commented yesterday on the company's HD plans during an investors call with Wall Street analysts. COO Landel Hobbs told the analysts that the cable service now has carriage agreements with 53 high-def channels -- and deals with an additional 20 channels "pending." Hobbs said some Time Warner systems, such as Albany and San Antonio, are now offering more than 40 HD channels. But more HD channels are expected to be added soon throughout the...