re: What should the USA have done after 11 September 2001?

While I think the Saudi government had as much to do with 9/11 as the Afghan government
(neither were directly responsible but both looked the other way either because of sympathy or because of fear) attacking Saudi Arabia could have been absolutely disastrous if say the monarchy retreats do to the Holy cities and held out instead abdicating, not to mention the economic devastation wrought by disrupting oil exports.