"I have sometimes asked myself whether my country is the better for my having lived at all?" Jefferson muses in this volume. His answer: "I do not know that it is." Required by custom to be "entirely passive" during the presidential campaign, Jefferson, at Monticello during the summer of 1800, refrains from answering attacks on his character, responds privately to Benjamin Rush's queries about religion, and learns of rumors of his own death. Yet...