At The Lancet. This isn't really new news--anyone with half a brain who looked at the study carefully at the time (i.e., not all-too-credulous journalists) could see that it was a nonsensical statistical mess. But the case against it is looking even stronger now.

Of course, it fulfilled its political purpose--to damage the Republicans and the Bush administration in the 2006 elections. And when it comes to righteous moral crusades like that, accuracy and scientific integrity be damned.