<p>President Bush should insist his commission investigating the performance of U.S. intelligence agencies answer this question: What did we know about Saddam's weather balloon program, and when did we know it?</p>
<p>This is not a facetious suggestion.</p>
<p>Mr. Bush's decision to name a commission came after the highly respected David Kay -- who resigned as director of the Iraq Survey Group, saying he didn't believe Iraq had stockpiled weapons of mass destruction -- told the Senate Armed Services Committee an outside investigation was needed.</p>