Four hundred followers of a nocturnal radio satirist who is about to be, as he put it, "canned," gathered in Manhattan last night in a final pitiful show of non-strength and disorganization." They met in front of the burne-out Wanamaker Building at Fourth Avenue and Eighth Street because they said they liked "the Charles Addams feel of the thing." Mr. Addams is famous for his goulish cartoon characters...