Norman G. Finkelstein first gained a national reputation with his essay, ''Daniel Jonah Goldhagen's 'Crazy' Thesis,'' included in the book he wrote with Ruth Bettina Birn, ''A Nation on Trial.'' Much of the essay was a brilliant dissection of Goldhagen's book, ''Hitler's Willing Executioners.'' Its last section, however, revealed Finkelstein undergoing a bizarre metamorphosis, in […]