The Race to Rule the Skies

The Hindenburg met a fiery, tragic end, but there was a time when hydrogen balloons were considered the future of human aviation. Adventure, pride, and visions of previously unheard of international travel play out in the complicated history to dominate the skies. Guest: Alexander Rose, author of "Empires of the Sky: Zeppelins, Airplanes, and Two Men’s Epic Duel to Rule the World"