Teenaged Sally Hemings, mixed-race slave and sister-in-law to widower Thomas Jefferson, captured his heart while serving his daughters in Paris where he was U.S. Minister. It was there a 38-year relationship began.The historical novel, Sally of Monticello: Founding Mother, by Jefferson lecturer N.M. Ledgin, portrays a bright, assertive woman. She resolved his "inner conflict," according to historian Winthrop D. Jordan, by ridding him of "high tension...