A top AT&T executive is concerned that the FCC's new net neutrality rules, which are now being challenged in court, create an ongoing air of uncertainty for all members of the telecommunications industry ecosystem. Speaking to investors during the UBS 43rd Annual Global Media and Communications Conference, Randall Stephenson, chairman and CEO of AT&T, said the various rulings and challenges on the FCC's order will likely not be entirely sorted out until 2017.