There is and was no one quite like Carl Sagan, but Neil deGrasse Tyson, head of the Planetarium of the American Museum of Natural History, seems to be making a very good try at being his heir.
Take a listen to his speech to the Commonwealth Club of California and
listen for yourself.
http://minnesota.publicradio.org/display/web/2007/03/16/midday2/
Posted by Jvstin at March 16, 2007 2:49 PM