With the stated intent of combating illegal immigration, Senators Chuck Schumer (D., N.Y.) and Lindsey Graham (R., S.C.) are crafting new legislation to institute a national identification card. The card would be required in order to be eligible for employment, and would in turn enable employers to identify and reject illegal immigrants who are seeking work. The card would be biometric, i.e., containing identifying characteristics unique to the physiology of the cardholder. In this case the biometrics would most likely be comprised of either a fingerprint or a scan of the veins on the back of the hand. This is not the first time a biometric card has been proposed: in the wake of 9-11, there was a strong push for a national ID card on the basis of national security. Schumer and Graham claim that the institution of a national ID would not be accompanied by the creation of a complementary database; however, no national identification system has ever operated independently of a database. It would be impossible to run a national ID system without a corresponding database available for purposes of verification. Thus, although the card would initially include only biometric and citize...