...Terrorism ends when the broader culture refuses to tolerate it. There would be few if any suicide bombers in the Middle East if "martyrdom" were not glorified by imams and politicians, if pictures of local "martyrs" were not proudly displayed in West Bank grocery stores, if Muslim banks did not offer special "martyrdom" accounts to the relicts thereof, if schools did not run essay competitions on "Why I want to grow up to be a martyr".

At this point, many readers will be indignantly protesting that this is all the fault of Israeli "occupation", but how does that explain suicide bombings in Afghanistan and Pakistan, where there's not a Zionist oppressor for hundreds of miles? Islam has become the world's pre-eminent incubator of terrorism at its most depraved. Indeed, so far London has experienced only the lighter items on the bill of fare - random bombing of public transport rather than decapitation, child sacrifice and schoolhouse massacres.

Most of us instinctively understand that when a senior Metropolitan Police figure says bullishly that "Islam and terrorism don't go together", he's talking drivel...