PBS has long been a political target of conservatives, who have accused it of having a liberal bias.
As you probably know, the Koch brothers are deeply connected to the disinformation campaign designed to create confusion around climate disruption. They are also bidding to buy Tribue Co., owners of the Chicago Tribune and LA Times. Now there is this recent scandal that PBS may be censoring a documentary critical of one of the brothers, David Koch, who has contributed $23 million to public television. Seems like money well-spent.
See on www.newyorker.com