R ecent years have witnessed a rapid proliferation of radical Islamist activity in western Europe, from MI5’s claim in 2006 of 30 incipient “terror plots” and 1,600 individuals under surveillance, to actual terrorist atrocities in European cities, the most infamous and deadly of which included the transport network bombings in Madrid in 2003 and in London in 2005. Concomitantly, both the media ...