Free Republic

<p>Complicating the push to give illegal immigrants access to California driver's licenses, U.S. officials say a legislative plan to use federal taxpayer identification numbers to screen noncitizen drivers would pose a "potential security risk."</p> <p>An Aug. 9 letter from the U.S. Internal Revenue Service to the state Department of Motor Vehicles raises doubts about a provision of the bill, saying individual taxpayer identification numbers are "not valid for identification outside the tax system."</p>