My main point was that the United States should attempt to establish lunar colonies--or at the very least another moon landing--before China has a chance to get to the moon, mainly because the United States will make sure that the moon remains open for the whole world to visit, to enjoy, and to business upon. I also argued that the moon is a possession of humanity and should therefore be treated unilaterally.
One point I wish I had made was that the future of lunar exploration might lie with private enterprise. Space exploration requires huge resources and coordination, but if commercial value could be demonstrated on the moon, on Mars, or beyond, private corporations might pick up some of the slack for the government. In times like these it might seem questionable to spend money on the space program, so projects like the Google Lunar X Prize might hold the key to future private ventures into space.
Corporations aren't the only entities that can get involved. Non-profit organizations could make substantial contributions to additional research.
Regardless, I have written an essay on lunar exploration that I have never published, so I might run it as a four-part series over the next few days. Stay tuned for more.