Daniel Walker Howe on 'What Hath God Wrought' [video 49min]

Historian Daniel Walker Howe explores the history of the United States from 1815 to 1848, documenting the transformation of the country from a rural landscape to the development of economic centers and expansion to the Pacific. He is the American History professor emeritus at Oxford University and UCLA, and the author of Making the American Self: Jonathan Edwards to Abraham Lincoln. He is a finalist for the 2007 National Book Critics Circle Award for Nonfiction.