washingtonpost.com No Longer Invisible By Eugene RobinsonFriday, September 9, 2005; A25 NEW ORLEANS -- Beside the interstate leading into this abandoned city there's a self-storage warehouse whose flimsy walls were peeled away by the hurricane. The contents are almost undisturbed, stacked neatly in their exposed compartments. You can see all the inconvenient things that people stowed out of sight and out of mind.That's what this unreal disaster did to New Orleans and the whole country. Things we tried to tuck away and forget about are suddenly out there for the world to see. As a nation we can deal...