Throughout The White Queen, Margaret of Anjou (Veerle Baetens), the infamous wife of King Henry VI (David Shelley) has remained unseen, playing behind the scenes as a symbol of tyranny depending on whose side you favor: York or Lancaster. In this week’s “The Bad Queen,” Margaret of Anjou makes her debut as Warwick (James Frain) and George’s (David Oakes) ambition takes on a whole new level of betrayal.