Why do you think Alan Rusbridger at the Guardian newspaper held back on information about the phone-hacking scandal? Is the satirical magazine Private Eye part of the Fourth Estate? Why was the...

Why do you think Alan Rusbridger at the Guardian newspaper held back on information about the phone-hacking scandal? Is the satirical magazine Private Eye part of the Fourth Estate? Why was the revelation about journalists hacking the phone of murdered schoolgirl Milly Dowler a catalyst in the case?  Is Stephen Stock well correct when he argues that the news media is failing, and that reality television shows and amateur footage of news events are far more a­ecting than traditional journalism?