At the threshold, an agent whose identity has been revealed must truly be "covert" for there to be a violation of the Act. To the average observer, much less to the professional intelligence operative, Plame was not given the "deep cover" required of a covert agent. ... She worked at a desk job at CIA headquarters, where she could be seen traveling to and from, and active, at Langley. She had been residing in Washington -- not stationed abroad for a number of years. ... [T]he CIA failed to take even its usual steps to prevent publication of her name.