Level 3 has tried to bring the FCC more directly into its net neutrality dispute with Comcast with a letter sent later on Thursday. The message to FCC chairman Julius Genachowski and the Department of Justice's Assistant Attorney General Christine Varney to impose conditions on the proposed Comcast-NBC merger to keep it fair. Comcast's insistence on higher rates for Level 3 to reach its network "adversely changes the nature of the Internet" and, buy implication, might get worse if it owned a TV network.