“Periclean Greeks employed the term idiotis, without any connotation of stupidity or subnormality, to mean simply 'a person indifferent to public affairs.' Obviously, there is something wanting in the apolitical personality. But we have also come to suspect the idiocy of politicization—of the professional pol and power broker. The two idiocies make a perfect match, with the apathy of the first permitting the depredations of the second.”