AT&T chief Randall Stephenson questions government's challenge of takeover: 'We own Time Warner'

Some analysts speculated that the government’s planned appeal could stymie Philadelphia-based Comcast, which has been weighing whether to sweeten its offer for Rupert Murdoch’s Fox assets. Fox accepted Disney’s $71.3-billion offer in late June, and has scheduled a July 27 shareholder vote, which gives Comcast less than two weeks to muster a higher offer.