A man takes a copy of an evening newspaper, which features an article about Lord Justice Brian Leveson's report on media practices on its front page, from a distributor in central London November 29, 2012 British Prime Minister David Cameron said on Thursday that he had serious concerns about legislation to regulate the media, risking a split in his coalition after a damning inquiry triggered by a phone-hacking scandal proposed a press watchdog backed in law. REUTERS/Olivia Harris (BRITAIN - Tags: POLITICS MEDIA CRIME LAW)