His humanitarian campaigning has earnt him the nickname St Bono. Off duty, however, the U2 singer seems to have been tempted into a spot of hell-raising. Pictures show the 48-year-old with his arm round two bikini-clad girls as they carouse at a beach bar in St Tropez. He also joined his angel-faced companions for more drinking and dancing aboard a private yacht. Bono is usually seen in his role as rock star, family man and anti-poverty campaigner, work for which he earned an honorary knighthood. Only last week, he appeared at a conference to make a call to ‘change the...