The unity and pride inspired by the killing of Osama Bin Laden has quickly deteriorated into a nasty debate over the effectiveness of torture. The administration is reportedly upset by this diversion. But President Barack Obama has nobody to blame but himself. While President George W. Bush took the nation down the dark path to torture, Obama ensured that it remained part of our national debate by failing to investigate and hold to account those who tortured. His failure to do so means that we now debate publicly whether or not to torture based on assessments of whether or not...