Politico: As Rupert Murdoch reshuffles the leadership at 21st Century Fox, another part of his global empire, thousands of miles across the Atlantic, is bracing for gale-force winds of change. News U.K., Murdoch’s British newspaper group, has been buzzing with talk of “big changes” in recent weeks, amid falling print revenues and slow progress on building a digital subscription business. A visit from the company’s top brass last month — Lachlan Murdoch, now the firm favorite to take over the newspaper group after nine years out of the family business, sat in on the budget meetings — did little to allay anxieties.