Jonathan Franzen’s Moral Hazard
Purity By Jonathan Franzen Farrar, Straus and Giroux, 576 pages, $28 In 1969, after having written two earnestly serious novels that scrutinized the morality of his times in stately elegant prose, Philip Roth wrote “Portnoy’s Complaint.” A bawdy riff on sex and the impossibility of living up to the expectations of overbearing mothers, it reads…