Judges never just act on their own. In fact, it is quite likely that the judge is completely unaware of the Request For Admissions and the non response.
The appropriate procedure is for Berg to file a Motion For Summary Disposition requesting a judgment based on the admissions.
That was a thread, which addressed the title you just responded to:
http://www.freerepublic.com/focus/news/2109876/posts
So, why is it taking so long? What is the judge waiting for? (Berg vs Obama)