>> tourism in the united states is five times the potential for any of the new drilling, even if we did it all. so it's a much larger economic engine and it's a sustainable one. that isn't going to run out. >> today the presidential commission that's been investigating the summer's massive gulf oil spill recommended two new entities, a safety institute set up by companies within the oil and gas industries, and an independent government agency to oversee conditions for offshore workers. >> thank you. checking international headlines now, nato says three service members have died in the past two days in afghanistan. the first casualties of december. 55 were killed last month. afghan karzai says coalition forces killed a former local official and arrested six members of his family by mistake. nato has not yet responded. south korea's spy chief reportedly has said that he had information back in august about a north korean attack against a front line island, but dismissed it as routine.