news international. his former spokesperson, andy cowl so coulson was arrested last week. cameron says the relationship between media and politicians has become, in his words, cozy and comfortable. the head of the opposition says it's time for change. >> unless politics is willing to come clean about these relationships, unless it's willing to shine light, then the. public won't have confidence in the future. >> reporter: restoring confidence in news corp. may be equally difficult. something the company admitted in a second full-page ad in british papers this weekend, apologizing four our mistakes and fixing them are only first steps. it may take some time for us to rebuild trust. >> nbc's stephanie gosk reporting. rupert murdoch and his son james will face tough questioning in parliament tomorrow. rebekah brooks is expected to schedule as well but her spokesperson says her arrest may change that. to washington where the