You don’t meet men like Pope Pius XII anymore. Erudite and aristocratic, he was far removed from his proletarian people yet he confessed a quiet ambition to one day be their Pope. Readers of David Kertzer’s book about him are lucky. They have the benefit of knowing that Hitler was evil. For Pius XII, it was as if the truth crept up on him only slowly while he battled the demons that bound him, his fear of communism and his belief that the Roman Catholic Church in Europe must