Before, you mostly had to worry about political bias in newspapers, but here we are seeing selectivity being employed when reporting plain old business news.
I don't have many memories of this happening in the recent past, a poignant example would be when CBS refused to air a story on 60 Minutes about how Tobacco executives perjured themselves about their awareness of nicotine’s addictiveness. CBS killed the story because it could have jeopardized their acquisition by Laurence Tisch (who at the time owned Lorillard). Michael Mann's wonderful film, The Insider, centers around that debacle: