With Saddam Hussein finally in custody and the future of Iraq looking a little more secure, we're hearing calls for President Bush to rip up the list of countries that the United States has deemed eligible to bid on prime contracts for rebuilding Iraq. Mr. Bush should stick to his guns; that list of 63 countries, all of whom helped the American-led coalition, was good policy. But it's important to be clear about why it is a good idea — because in the piñata grab for the $18.6 billion in reconstruction contracts, some basic points have gotten lost. First, it...