Is the New York Times putting WQXR up for sale? That's the suggestion Page Six makes this morning, airing rumors that the classical station-estimated by one expert as being worth about $50 million dollars-is on the block. Rather than selling it outright, the company could also lease its frequency to, say, ESPN radio, which would be a comical transition for anyone tuning in to hear three hours of opera and symphony smattered with the occasional theater dispatch from Ben Brantley.