"In the months after her husband's death, Martha Washington told several friends that the two worst days of her life were the day George died -- and the day Thomas Jefferson came to Mount Vernon to offer his condolences. What could elicit such a strong reaction from the nation's original first lady? Though history tends to cast the early years of America in a glow of camaraderie, there were, in fact, many conflicts among the Founding Fathers -- none...

Fleming looks at the reasons of why the Civil War was fought.