It looks as if Mohammed Sidique Khan, from beyond the grave, is reminding us that we are at war.
Thanks. Truly, you are a loss to the teaching profession.
A few guys like you are a worry. But a more fundamental concern for all of us in Britain is the reported increasing ghetto-isation of Muslim communities, presaging worse troubles ahead.
Leaving aside the question of who is responsible for the video, why does it appear now? For one thing, it's the end of the silly season; full strength politics is resumed. A lot more people are back at work and travelling on public transport.