By Bagehot
AS A rule of thumb, once the British political establishment is charging in a single direction, it is time to lope discreetly in another direction. For days now, the daily front pages have been crammed with devastating evidence that David Cameron, George Osborne and many of the government front bench are unusually rich and unusually posh, and spend some of their leisure time with party donors even richer (though rarely posher) than themselves.