U.S. research: running on empty?

Today's N.Y. Times has a piece ("The State of Research Isn't All That Grand") discusses the implications for the U.S. economy of reduced R&D expenditures in both the public and private sectors. The balanced conclusion:In global R.& D. rankings, the United States is still the clear leader in spending, with 34 percent of the total. In fact, about half of all such spending comes from just two