Larry talks with author-historian Walter Isaacson about his new book, American Sketches. From the founding fathers to techno wizards, Isaacson profiles individuals who have shaped the course of American history, including Ben Franklin, Bill and Hillary Clinton, Albert Einstein, and Bill Gates.

Guest:

Walter Isaacson, author of "American Sketches: Great Leaders, Creative Thinkers, And The Heroes Of A Hurricane" (Simon & Schuster). He is President of The Aspen Institute and has been chairman of CNN and the managing editor of Time magazine.