<p>VICTORVILLE, Calif. (AP) - John Walker Lindh, the American serving a 20-year sentence for helping the Taliban, has been transferred to a federal prison in this desert community northeast of Los Angeles.</p>
<p>Lindh, 21, arrived at the medium-security Federal Correctional Institution in Victorville on Saturday, under guard by federal marshals, authorities said. He had been held at a federal lockup in Virginia.</p>