 Robert Hurst, president of CTV News, declined to comment.The Prime Minister's communications director, Sandra Buckler, said that Brodie "does not recall" discussing the issue.On March 4, 2008, Harper initially denied that Brodie was a source of the leak—but he appeared to be referring to a diplomatic memo that described the key conversation between an adviser to Obama and Canada's consul-general in Chicago, Georges Rioux.