This author is challenging what we know about Ulysses Grant and the Civil War

Ulysses S. Grant led the Union’s victory in the civil war before serving two terms as president. Was he a brutal general and incompetent president -- or a brilliant strategist who should be praised for his foresight? Ron Chernow, who authored the book that inspired the musical “Hamilton,” talks to correspondent Jeffrey Brown about taking on that complicated legacy in his new book, “Grant.”