Brooks' arrest affords her strong protection in law. CMS Committee Clerks are now studying Parliament's Sub Judice Rules and advising the Committee - similarly, it seems certain that Lawyers for Mrs. Brooks will be consulting the law-books also and advising her on which questions, if any, she would have to answer if she attends.
Murdoch's smarts told him that he could profit mightily if only there was a permanent Conservative government in power in the UK. But how to do that when working class people selfishly insisted on voting for their own economic interests rather than those of Rupert? BINGO! It suddenly hit Rupert. Find a way to seduce working class people away from their natural instincts.