With pictures of oil-drenched birds, blackened beaches, and marshlands invaded with oil streaming across our televisions every day, it is easy to become angry and demand retribution from the cause of the disaster. Unfortunately, it is also easy for unscrupulous politicians to take that anger and turn it to their political advantage. History is replete with incidents of real popular anger leading to monstrous outcomes of tyranny. Yesterday the USA wrote a new anecdote in that awful book. There is no doubt that the oil spill produced by the Deepwater Horizon rig and BP is a disaster of monumental ecological...