Former Editor of the News of the World Andy Coulson arrives at the Old Bailey courthouse in central London June 30, 2014. British Prime Minister David Cameron's ex-media chief Coulson will face a re-trial over whether he sanctioned illegal payments to a public official while editing a Rupert Murdoch tabloid, prosecutors said on Monday. REUTERS/Luke MacGregor (BRITAIN - Tags: MEDIA POLITICS CRIME LAW BUSINESS)