Oddly enough, I agree with Heiger's main point of his CBS blog. To use the CBS scandal as proof of the "great left-wing conspiracy" is fairly ludicrous, and he's correct that many conservative pundits are starting to throw terms like that around.
The whole notion of such a conspiracy is nuts to begin with... we all know what media organizations lean left (NY Times, LA Times), and what lean right (Fox News, Washington Times), and we can read their reporting through such a lens.
Frankly, I find it rather amusing that both sides, right and left, complain about severe unfair treatment from the media. It probably gets rather old for journalists, who get hate mail from either side depending on the latest editorial.
At the end of the day, for conservatives to start talking about liberal bias and for liberals to decry the same detracts from the true story at CBS...and that is unfortunate.
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