Guardian: Lock up your children: the bogey man cometh. We know this because Fox News rabble-rouser Glenn Beck has kindly forewarned us. Yesterday, he informed his devoted followers that they should be on the look out for the approaching tentacles of a "global government". The contention of many ideologically fuelled climate sceptics, such as Beck, is that global warming is being used by malevolent, socialist forces lurking in the shadows to usher in a "new world order". The commies have invented this …