Thanks to Ganesha, I became aware that a sequel to Carl Sagan’s seminal “Cosmos” was going to premier last night (Sunday), on Fox of all places. My first impression was, “What, has Seth McFarlane run out of off-color gags?” But, no, that'll never happen. Seth is actually one of the producers of this, oddly enough. Also, Brannon Braga, “The Man Who Killed Star Trek,” is a producer. Disconcerting. On the other hand, it starred Neil DeGrasse-Tyson as our host/narrator, so, you know, not entirely without promise.