""Lion of White Hall: The Life of Cassius M. Clay"" is a biography written by David L. Smiley that chronicles the life of the Kentucky abolitionist and politician Cassius Marcellus Clay. The book provides a detailed account of Clay's upbringing, his involvement in the anti-slavery movement, and his political career, including his service as a U.S. Minister to Russia under President Abraham Lincoln. Smiley also explores Clay's personal life, including...