You may have seen David Cameron on the news today, anointing himself head of the "New Moral Army", promising a "fightback" against rioters, and praising (at 0.53) "the million people on Facebook who've signed up to support the police". The group in question was created and is run by this lovely chap:
Well, that doesn't seem the sort of thing the Prime Minister should be getting behind, does it? But wait. There are more rib-ticklers where that came from.