John Gilmore's Search for the Mandatory ID Law

John Gilmore's Search for the Mandatory ID Law: "'John Gilmore, the millionare who cofounded the EFF, has been prohibited from travelling because he refused to show an ID while boarding an airplane. He's been under this self-imposed ban since 2002. From the article: 'The gate agent asked for his ID. Gilmore asked her why. It is the law, she said. Gilmore asked to see the law. Nobody could produce a copy. To date, nobody has. The regulation that mandates ID at airports is 'Sensitive Security Information.' The law, as it turns out, is unavailable for inspection. What started out as a weekend trip to Washington became a crawl through the courts in search of an answer to Gilmore's question: Why?'"