Britain? Written? Constitution?

Mary Beard, Cambridge [not Oxonian, as I first wrote] classicist, telly-don, and TimesOnline blogger, mostly brushes off the debate on whether Britain needs a written constitution. ("There was the question of whether you could compare our constitution to a tennis club.") She's pondering responses to Repairing British Politics, a recent book by British constitutional lawyer Richard Gordon (which is also considered, more sympathetically here).