The wine always disinhibits your inner voice: “Boring, boring, boring,” you yell. Dinner parties can be dull affairs. Suggesting that private schools are “socially elitist and divisive” is social Semtex to liven things up. Concerned and liberal middle class parents are put on the rack and bleat in pain, their moral joints pulled out of sockets as they seek to justify why they educate their children privately. Finally they rasp a choked “I just want the best for my children.” This position needs no defending. The privately educated …