The summer I finished writing my dissertation, the C.I.A. tried to recruit me—as a spy. The call came in the middle of the afternoon, as I was working on a chapter about Tolstoy and midwifery. An older woman with an eerily friendly voice started going over what the training for a job in clandestine affairs would entail. I stifled a laugh. I didn’t know what was harder to believe: that anyone thought I could keep a secret or that a degree in Russian literature would qualify me to parachute out of a plane.