On June 13th, a fifty-four-year-old former government employee named Thomas Drake is scheduled to appear in a courtroom in Baltimore, where he will face some of the gravest charges that can be brought against an American citizen. A former senior executive at the National Security Agency, the government’s electronic-espionage service, he is accused, in essence, of being an enemy of the state. According to a ten-count indictment delivered against him in April, 2010, Drake violated the Espionage Act-the 1917 statute that was used to convict Aldrich Ames, the C.I.A. officer who, in the eighties and nineties, sold U.S. intelligence to the K.G.B., enabling the Kremlin to assassinate informants. In 2007, the indictment says, Drake willfully retained top-secret defense documents that he had sworn an oath to protect, sneaking them out of the intelligence agency’s headquarters, at Fort Meade, Maryland, and taking them home, for the purpose of ‘unauthorized disclosure.