Mike has a lengthy post about Al Gore and Global Warming. Of particular interest is this paragraph:

We learned this lesson again the hard way in the US when we were warned that the levees were about to break in New Orleans because of Hurricane Katrina and those warnings were ignored. Later, a bipartisan group of members of Congress, chaired by Representative Tom Davis, a Republican from Virginia, said in an official report: "The White House failed to act on the massive amounts of information at its disposal."

This bipartisan group added that a "blinding lack of situational awareness and disjointed decision-making needlessly compounded and prolonged Katrina's horror".

Actually, the White House was warned that the levees were going to overtop, not break. This is the difference between putting too much water in the bathtub (a few wet towels) and having the bottom falling out of it (tens of thousands of dollars of damage); a person incapable of grasping the difference should probably refrain from lecturing the world on scientific consensus. Like the the melting glaciers of Kilimanjaro (which attempts to pin on C02 an effect that was happening long before), drowning polar bears, melting glaciers and so forth, note the bait and switch to try to sell the unsellable. If there was a strong, or even defensible, case for AGW there'd be no for Gore and his flock of AGW Hysterics to do this.