The Cook Political Report has changed its rating of the Massachusetts Senate race from “Solid D” to “Lean D”:

At this point, we suspect that the race has indeed closed somewhat and that the result will probably be closer than it ought to be, but we continue to believe that Brown has a very uphill struggle in his quest to pull off a Massachusetts Miracle. At the same time, we have a well-earned appreciation for how unpredictable special elections can be even in states or congressional districts that sit solidly in one party’s camp or the other.