Who’d have thought John Bercow would want to add to his reputation as a stupid and sanctimonious dwarf? The pint-sized Speaker has fulfilled at least two of these three criteria by parking his bright red £30,000 Land Rover Freelander, complete with self-titled personalised numberplate, outside his parliamentary apartment for all to see. Bercow’s latest vanity project will have set him back anything between a few hundred quid and several thousand. His wife’s other car is a Volvo…