In 2013, the famous Cosmos science show will be back, this time hosted and to some extent designed by famed Astrophysicist Neil Degrasse Tyson.
As the best known Astrophysicist in the country who can walk and who hosts TV shows, Tyson is the most obvious choice, but i'm not sure he is adequate. He is a great entertainer and explainer. Tyson is fun. But Sagan brought a lot more to the show than that. Sagan was also great at manipulating emotions and cosmic perspectives to produce powerful ennobling motifs and conclusions.
Per instance, I just can't see Tyson, who generally tries to be uncontroversial, doing something like this: