President Bush used Saddam's alleged relationship with al Qaida, along with Iraq's supposed weapons of mass destruction, as arguments for invading Iraq after the 9/11/01 terrorist attacks. ... An exhaustive review of more than 600,000 Iraqi documents that were captured after the 2003 U.S. invasion has found no evidence that Saddam Hussein's regime had any operational links with Osama bin Laden's al Qaida terrorist network.