Our kids know America is doing a noble thing in Iraq. They know about brave PFC Lynch and her rescuers. About Coalition soldiers giving chocolate to Iraqi kids. About statues of Saddam Hussein being toppled. About water and food coming in by the ton to aid suffering Iraqis. We can't tell them everything because they are all under nine. How do you explain the hunt for a man like Chemical Ali, who gassed the Kurds? Or the discovery of a warehouse filled with human remains, where atrocities were committed and photographed for posterity? Or about a pregnant woman blowing herself...