I agree, Torgo, it's not plagerism. But it is in violation of the standards of his buisness--the ethics of his buisness, if you will.
If it's just this one occurrence, then oops, shame on him and move on. If it's something he repeatedly does, well, yes he should be in the spotlight for it. Unethical behavior isn't necessarily illegal, but there's a reason it's unethical.
ETA:It should probably also be noted that there's a giant difference between how references and quotes work in fiction and nonfiction, and then the various branches of nonfiction. I have no knowledge of where the author of the article is coming from as he's only listed as a "political blogger," but he seems to have little understanding of the nuances that differentiate professions dealing with the written word. Not to mention I find his defense of people who do plagiarize (and his it's only a few paragraphs, get over it attitude) to be highly suspicious (as in, I'm not sure he knows what the heck he's talking about when it comes to copyright law).
In other words, I think a different source might give us a better idea of what’s really going on.