I think that's one of the really important policy questions. I don't have an answer for you on that. Why aren't the R and D tax credits, as generous as they are, not having more of an impact?
I think there are a number of suggestions being put on the table, one of them being, of course, the fact that they're not refundable to companies that are in the early stages and not making any profits. The refunding of those tax credits may be an issue.