The battle for Rupert Murdoch’s global media kingdom is headed to the biggest little city in the world. Murdoch, the 93-year-old billionaire press baron, reportedly wants to alter the terms of an irrevocable trust so that his eldest son, Lachlan, inherits his throne and keeps control of prized assets such as Fox News and The Wall Street Journal. But three of the mogul’s other children – James, Elisabeth and Prudence – are pushing back, insisting that all four siblings continue to receive equal voting shares.