Re: River and the Doctor knowing and not knowing each other...
^^I agree with Tom. She thought he was a later version, and almost seemed a bit disappointed when she realized he was an earlier (and possibly less helpful) Doc. Her task certainly would have been easier if 11 had met her at the Library. Still, it all worked out.
"If we (The Boston Herald) live a single day longer than them (The Boston Globe), we win" -Howie Carr