Immigration reform is dead. But before conservatives who killed this bill start popping champagne corks, they ought to consider the following. Our borders will be less secure, not more. Employers who want to do the right thing and only hire legal workers won't have the tools to do so. The 12 million illegal aliens who are here now will continue to live in the shadows, making them less likely to cooperate with law enforcement to report crimes and less likely to pay their full share of taxes. In other words, the mess we created by an outdated and ill-conceived immigration...