Retired Adm. James Stavridis draws lessons from Navy history in new book 'To Risk It All'

In his new book "To Risk it All: Nine Conflicts and the Crucible of Decision," retired Adm. James Stavridis draws lessons from the history of the United States Navy.

Here & Now's Scott Tong speaks with Stavridis, managing director of The Carlyle Group. He was Supreme Allied Commander of NATO from 2009 to 2013.