In the town of Kalar, about a hundred miles northeast of Baghdad, Kurdish villagers recently reported suspicious activity to the pesh merga. That Kurdish militia has for years been waging a bloody battle with Ansar al-Islam, the terrorist group affiliated with Al Qaeda in Afghanistan and supported by Saddam Hussein in Iraq. It captured a courier carrying a message that demolishes the repeated claim of Bush critics that there was never a "clear link" between Saddam and Osama bin Laden. The terrorist courier with a CD-ROM containing a 17-page document and other messages was Hassan Ghul, who confessed he was...