Actually, I agree with those saying that this was totally pointless. The "n-word" isn't a commonly used word in society; if it was, then this protest would make sense. However, it's mostly used between youth, and doesn't often carry the same insulting meaning that it once did. The group of people who DO use the word are the most likely to be unaffected by this action; in fact, I doubt many of them knew it even happened. In that sense, it was a worthless thing to do. It isn't going to accomplish anything lasting.
And in that sense, it can't be compared to the war in Iraq after all. The war is something that will end with peace and safety, but it will come at a price. That's not the same with the idea of burying the "n-word". The cost of losing it isn't great, because it's a "cost" in itself... the cost of the war against racism, apparently. Also, I doubt that the NAACP really thinks that this burial means that everything is going great and has been solved. That makes them and their actions very different from Bush, too. The ONLY way in which they could be similar is if the burial was for appearances only, which would, of course, make them self-congratulatory morons... and if it wasn't for appearances, to make it seem like this was a big step in a fight, then what was it for?