'Flood That Released America's Demons", said the Sun on Saturday. Underneath the arresting headline was a column by Jeremy Clarkson, and, after the usual good-natured knockabout - "Most Americans barely have the brains to walk on their back legs" - he turned to the desperate scenes being played out in New Orleans: "On the streets you've got some poor, starving soul helping themselves to a packet of food from a ruined, deserted supermarket. And as a result, finding themselves being blown to pieces by a helicopter gunship. With the none-too-bright soldiers urged on by their illiterate political masters, the poor...