THE RIGHT TOOL FOR THE JOB. You'd think that with modern documents and data-bases, there'd be something better than Soundex (which is a very useful tool if you have ninteenth-century arrival records for family members who give their family name variously as Kalbes, Kolbaszer, Kelbasa, Kielbasa, and Kabassa) for distinguishing the security risks from the frequent flyers, but Chicago Boyz note otherwise.