I think the balance varies depending on the area. For example, I would think that the area of the environment now is a crucial area that government and scientists are focused on worldwide. The likelihood that you're going to get a commercializable product supporting environmental research is not necessarily obvious, yet the importance of this is unquestionable.
So I think the balance varies depending on the area, and depending on the probability of getting a commercializable product out of the area. The balance has to be also in terms of what is the long-term importance of the research itself in terms of the concerns of the government, the people, nationally and internationally. That's going to evolve and change over time. I think we have to be ready to let it evolve and change over time.