Martina Devlin: Shades of Madame Mao in Rupert's right-hand woman
LIKE Madame Mao, she caught the eye of a cultural iconoclast. Like Madame Mao, she demonstrated steely ambition and loyalty to her mate. Like Madame Mao, she made a 'Great Leap Forward' when she landed him.
Unlike Madame Mao, Madame Murdoch is not a legendary figure, but she is cast from the same mould.
And she appears to find great leaps forward habit-forming.