Part of it, I think, relates to the light water versus heavy water topic that has been discussed here. The predominant technology in the world is light water technology; that's what the licensors are standardizing on and what countries are standardizing on.
In my remarks, I talked about the obvious consolidation in the industry over the last five or six years and about how multinational companies have formed joint ventures, just as AREVA was formed, to create a substantive size to be able to...in typical business terms, this is a huge barrier to entry. It requires huge amounts of development money. As I mentioned, it requires billions of dollars to develop new reactor technology. Only the biggest can survive, as is the case in many industries in the world now.