Warner Bros. is exploring handing over its cable television network business to a top studio executive, at a time when the entertainment company's cable television business is facing significant challenges. According to informed sources, Channing Dungey, Chairman and CEO of Warner Bros. Television, a major television program production company, will oversee Warner Bros. 'exploration of over 20 cable television networks next year, in addition to her existing responsibilities. This move indicates that Warner Bros. is exploring rethinking its content strategy for its cable television network. (Wall Street Journal)