In 1976 George HW Bush declared that the CIA wouldn't manipulate the media anymore but this NYT article from a couple months later shows the feds backpedaling on that promise, along with some specific examples of media manipulation from the time:
http://www.nytimes.com/1976/04/27/archives/cia-will-keep-mor...
I haven't found any evidence of post-Cold War media manipulation of this sort, but I don't think American trust in the media has ever fully recovered since those days.
In 1976 George HW Bush declared that the CIA wouldn't manipulate the media anymore but this NYT article from a couple months later shows the feds backpedaling on that promise, along with some specific examples of media manipulation from the time: http://www.nytimes.com/1976/04/27/archives/cia-will-keep-mor...
I haven't found any evidence of post-Cold War media manipulation of this sort, but I don't think American trust in the media has ever fully recovered since those days.