One day after the high drama of testimony by the Murdoch family and the police, British Prime Minister David Cameron went before a rowdy special session of Parliament on Wednesday to defend his record in Britains phone hacking scandal and for the first time seemed to distance himself from a former Murdoch employee he hired to work in 10 Downing Street. Shortly before he spoke, a parliamentary panel investigating the spreading hacking scandal released a scathing report accusing the Murdoch empire of deliberate attempts to thwart its investigations and said police inquiries had been a catalog of failures.