The furor last month following the issuance of student visas to suicide hijackers Mohammed Atta and Marwan Alshehhi is wholly misplaced. As was the furor last October over the proposal by software magnate Larry Ellison that the United States begin issuing national identification cards. As at least Ellison should know, visas, passports and ID cards are wholly unnecessary. You are an identification card. A living, breathing one that is exponentially harder to forge than a laminated card, an application form or a pocket-size brochure of any kind. Matching the geometry of a hand is successful 999 times out of 1,000....