^^ you should thank all the people in the intelligence and counter-intelligence communities to finally get some accurate intel on that hideout he was caught at. I, personally, dont think that a "dark chapter" in our history is closed (just due to the fact that terrorist cells globally have been (and still will be) operating without Bin Laden)...i think it's just the end of a paragragh of that chapter. I think it will be closed once we get all out troops out of Afghanistan.
...but, of course - what in the hell do i really know...?
peace.