The CW's Batwoman has added a surprising name to the call-sheet, as MSNBC host Rachel Maddow joins the cast. Maddow will take on the role of Vesper Fairchild, a snarky Gotham City radio and TV personality with ties to the superhero world in both the DC Comics source material and the CW's Arrow-verse. In the comics, Vesper becomes romantically involved with Bruce Wayne before she is murdered on the orders Lex Luthor, who is the President of the United States at the time. Classic scenario. The character has a much smaller presence on the small screen, …