Dark Mission: The Secret History of NASA

Richard C. Hoagland is a former museum space science Curator; a former NASA Consultant; and, during the historic Apollo Missions to the Moon, was science advisor to Walter Cronkite and CBS News. He's also a co-author of "Dark Mission: The Secret History of NASA".

In this clip he speaks at the National Press Club in Washington D.C. on October 30, 2007.