And what societies believe about how fluid they are matters almost as much as the reality: if America's poor ever start to believe they will never get rich, the place will be heading for trouble.

ECONOMIST: Class

They resist at all costs the temptation to justify the actions they took yesterday or last year or a decade ago (which the voters heartily endorsed), and admit openly and gratefully that all of these were a terrible mistake, based on a false premise, exhibiting an unforgivable arrogance, that they will never be stupid enough to pursue, believe or exhibit ever again.

ECONOMIST: William Hague��s ever so humble pie

"You would never ever have imagined the scoreline but I did believe that we could go and cause Rangers problems, " said McInnes.

BBC: St Johnstone's star on the rise