Rupert Murdoch on justifying journalism:
Now, it would certainly serve the interests of the powerful if professional journalists were muted – or replaced as navigators in our society by bloggers and bloviators. Bloggers can have a social role – but that role is very different to that of the professional seeking to uncover facts, however uncomfortable.
I guess he does not consider his own journalists to be "professional" then, since they prop up his own political and business interests on a regular basis…