Robert D. Ballard talks life as an #explorer, discovering #Bismarck, #Titanic and his book on #ConversationsLIVE @natgeo #natgeo

Dr. Robert D. Ballard discusses his career as an explorer on #ConversationsLIVE with host Cyrus Webb and his inspiring memoir INTO THE DEEP.<br /><br />Get INTO THE DEEP on Amazon here: https://amzn.to/2UK3jBx<br />