 The Pollard review into "Newsnight"s decision to drop an investigation into sex abuse claims against Jimmy Savile found that Cohen had not read emails that had been copied to him warning of Savile's "dark side" and which indicated there was knowledge within the BBC of the unsavoury side of Savile's character.Had he done so "it was at least possible that further questions [on the advisability of running the Christmas 2011 tributes] would have followed".The former BBC presenter, Jeremy Clarkson, has been highly critical of Mr Cohen, stating