Maddow pretty much hit the head on the nail on Tuesday:

The change in the Benghazi talking points

The partisan hysteria surrounding the September attack in Benghazi has taken a deescalating trajectory — the scope of the conspiracy theories and unhinged criticism has grown narrower, not broader, over time.

As of yesterday, the overarching question from the right was reduced to this: the talking points made available to U.S. officials four days after the attack were slightly edited, with the word “extremists” replacing the word “terrorists.” This, Republicans have argued, is critically important because, well, just because. The “scandal” conservatives are comparing to Watergate has narrowed to a discussion over word choice.