National Geographic explorer-in-residence Robert Ballard talks about "Save the Titanic," his documentary promoting its preservation and protection against tourism. |
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Title: | Robert Ballard | |
Air Date: | April 4, 2012 | |
Runtime: | 30 min | |
Genres: | Comedy | |
grasshopper rex : Asserting that facts are needed to substantiate claims made is the very definition of poss...