Sailing the Danube through Romania, Hungary, Ukraine, and more

This week's Eye on Travel Podcast with Peter Greenberg - from the MS Riviera Radiance as it sails the Danube River. Simon Calder - Travel Correspondent at The Independent - chats about the history of the river as one of the mightiest in Europe. Then, a look at Cold War Romania with Historian Cosmin Moldovan. Finally, former NBC News Correspondent Kerry Sanders comes onboard to discuss the most usual river trip he has even taken and the secrets he discovered.