Run, don't walk to catch Trouble the Water, an extraordinary revelation of the very heart and soul of America. It provides heartbreaking and then gloriously uplifting access to a part of American society trampled by poverty and lack of education. Kimberley and Scott, our tour guides through the trenches of New Orleans during and after Katrina, are beacons of decency, resilience and ingenuity. They are our country's greatest natural resource.