The new international tax rankings are out for 2008, and congratulations to Washington, D.C., are again in order. Our political class has managed to maintain America's rank with the second highest corporate tax rate in the world at 39.3% (average combined federal and state). For the first time, the U.S. statutory rate is now 50% higher than the average of our international competitors, continuing a long-term trend as the rest of the world keeps reducing corporate tax rates. Last week Senator Byron Dorgan of North Dakota waved around a new politically generated study by the Government Accountability Office (GAO) finding...