In the opposing innovation hat is the author’s main purpose in writing this article?

Consider the title and souce of the following articles. which one is most likely to exhibit a bias? (a) how to roast beef," by the food editor of a magazine (b) americans experiencing greater fatigue than previous generations, " by a harvard researcher (c) "americans' worsening eyesight not related to computer screen usage," by the public relations director of a major computer manufacturer (d) "sharing the burden: a history of cooperation," by a college professor

This is a dominant and controlling argument

Which members of the press did nixon say have been the hardest on him? a.the television news agencies. b.newspapers c.tabloids d.public radio !