Steve Inskeep tells the riveting story of John and Jessie Frémont, the husband and wife team who in the 1800s were instrumental in the westward expansion of the United States, and thus became America's first great political couple In 1831, John Frémont was born a nobody. His mother conceived him out of wedlock, and at age 13, in Charleston, South Carolina, he was sent to work to support her and his siblings. But, via the assistance of series of mentors, he rose from obscurity, making his way to Washington, before joining the upper echelons of society by marrying the daughter of an influential senator, Thomas Hart Benton, who only reluctantly blessed their union. Jessie Benton Frémont, as she came to be known, had grown up in the mold of her father, knowing personally then President Andrew Jackson, but her ambition was frustrated. She had limited options for own career advancement, at a time when women could not yet vote let alone hold public...