"Say the word "brainwashing", and chances are we think of the Manchurian Candidate, of some mysterious process that installs malevolent new beliefs in people's minds - as if ideologies were just like versions of Windows...But brains are not computers, and there is no Button X that Osama and his ilk can press to turn a man from good to evil. Giving a name to the pathway from "normal" to "killer" may make us feel better, but it doesn't help us prevent any future bombings."