I'm wondering this after this morning's news cruise.
Over at Common Dreams this morning, there's an article on FAIR's analysis of PBS programming. To no one's surprise and much to my sorrow, FAIR determined that most of the news sponsorship was corporate (gasp) with emphasis on defense contractors and big ag; that there was a noted lack of diversity (horrors); and that much of the pledge drive programming consists of infomericials for self-help gurus. How that's different from the other networks is beyond me.
Maybe constitutionally, we have a free press. ABC, NBC, CBS, and Fox are free to report on whatever their sponsors will let them.