Blaming the government
No, no, not the George Galloway critique*. This one apparently less controversially, is to suggest that the government's commitment to civil liberties allowed terrorist groups to flourish in London and now we are paying the price. Remarkably the NYT even points the finger at old Bill Cash.* Talking of which this 2002 briefing by the ISS take that line. It also uses the figure of 3,000 british men having passed through Al Qaeda camps, which the Sunday Times appears to believe was an exclusive, yesterday.