Question: War at the Wall Street Journal, is the first book released by author and journalist Sarah Ellison, published on May 12, 2010, the book is an account of which Australian-born American media mogul's, purchase of the paper from the Bankroft family in 2007?
Sentence (from "Rupert Murdoch"): Keith Rupert Murdoch, {'1': ", '2': 'AC KCSG', '3': ", '4': "} ( ; born 11 March 1931) is an Australian-born American media mogul.
Relevant evidence: Yes