So wait, you have a sports anchor, quoting a local news article, and clearly expressing an editorial opinion.... That's bad.

But you have a "Fair and balanced" news outlet, which in fact slants its coverage to the point that it abandons all pretense of being either fair or balanced on issues. That's good.

I find both to be mistakes. The difference is that the mistake is the corner case/exception for both Costas and NBC Football. It's the rule on FoxNews.
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The charm of fishing is that it is the pursuit of what is elusive but attainable, a perpetual series of occasions for hope. -John Buchan