Historian and author has delved into the lives of many known and lesser known historical figures, but his new book tells the story of a man who fought for Washington, served with Lincoln, witnessed Bunker Hill, and sounded the clarion against slavery on the eve of the Civil War. He negotiated an end to the War of 1812, engineered the annexation of Florida, and won the Supreme Court decision that freed the African captives of The Amistad. He served his nation as minister to six countries, secretary of state, senator, congressman, and president. He鈥檚 , and Mr.
Unger joins our Mark Heyne to talk about the life of this fascinating politician and ambassador.