Following on from Philippa Gregory’s interpretation of the end of the English Wars of the Roses in “The White Queen” (2013), Michelle Fairley delivers strongly as Lady Margaret Beaufort, the begrudging conduit between the old and the new whilst the erstwhile Queen Elizabeth (Essie Davis) struggles to adapt to her new circumstances. What might save her from total humiliation is a political compromise that will see the two houses of Tudor and York unite. Her daughter “Elizabeth” (Jodie Comer), daughter of Edward IV, is to marry the young Henry VII (Jacob Collins-Levy). Now he isn’t remotely…