from Crikey (Australia). I have not read the full report, but the source seems solid. And, it mirrors my own impressions of US mainstream media. This is one of the primary means that the ruling class uses to "manage consent."
...after analysing a five-day working week in the media, across 10 hard-copy papers, ACIJ and Crikey found that nearly 55% of stories analysed were driven by some form of public relations.