Carl Sagan Video collections: http://www.carlsaganvideos.com/rare-1966-interview/rare-1966
To commemorate the 30 year anniversary of the release of Cosmos I've uploaded A 1966 Interview with Walter Cronkite and Carl Sagan about the existence of ,'s and the possibility of contacting alien civilizations.
To see lot more of my documentaries videos online, Please visit - www.youtube.com/user/j0hnl0cker or go to the main documentary website @ http://johnlocker.com/home/search/qs?searchkey=sagan
