NEW YORK (Thomson Financial) - Rupert Murdoch's News Corp will launch a new business channel for US cable subscribers on October 15, in a direct challenge to market leader CNBC, operated by General Electric Co's NBC Universal. In a statement, News Corp said the Fox Business Network will be headed by Neil Cavuto, a Fox News senior vice president. The financial channel will be available to some 30 mln subscribers under contract after securing distribution agreements with major cable operators in top markets around the US. The new channel will form another element in Murdoch's media empire, which includes the...