The Spy Who Tweeted Me

This appears to be the authentic Twitter avatar of a man named Alexander Allan, who, as head of Britain's Joint Intelligence Committee, is that nation's spy chief. (The job is analogous to the Director of National Intelligence.)  He's lived a fascinating, tragic, and mystery-filled life. And he's a Deadhead, to boot. 

This article available online at:

http://www.theatlantic.com/politics/archive/2009/07/the-spy-who-tweeted-me/20827/