Ah, this drives me just a little crazy.
From The AP:
"There appear to be a lot of people that have heard that Connecticut is a nice place to be during (fall) foliage season," joked Tom Swan, Lamont's campaign manager.
Now, what purpose is served by sticking "fall" into this quote? All it does is disrupt the flow of the sentence. Would the reader have been confused without it? Worried that maybe Swan was talking about the spring foliage season? Don't think so.
Of course, adding a bit of information without thinking is bad enough. But not as bad as this, which really sends me over the edge.
"I told (the chief) that I wouldn't be there," the mayor said. Well, no. I doubt very much the mayor actually said "I told that I wouldn't be there." He most likely said, "I told him" or "I told that bastard" or something. But he didn't leave a word out, which is what is implied by "the chief" added in brackets and stuck into the quote.
You can't just drop words from quotes and then add your own; the brackets don't excuse this.