In a tastefully designed, beautifully arranged living room, a couple are engaging in the sort of mildly erotic verbal jousting in which long and happily married couples might indulge. They are Martin Gray, a Pritzker Prize-winning architect, just turned fifty, who has been chosen to design a futuristic, two-hundred-billion-dollar World City and his, in his words, bright, resourceful, intrepid wife ... (read more)