We all know that there are these exemplars who can take the toughest students, and they'll teach them two-and-a-half years of math in a single year.

These four policy prescriptions - strengthening educational opportunities, revamping immigration rules for highly skilled workers, increasing federal funding for basic scientific research, and providing incentives for private-sector R&D - should in my view be top priorities as Congress and the Administration consider how to maintain the nation's leadership in science, technology, and innovation.

Natural epidemics can be extremely large. Intentionally caused epidemics, bioterrorism, would be the largest of all.

The common thread for everything I do is this idea of a Web-services architecture. What does that mean? It means taking components of software and systems and having them be self-describing, so that you can aim them, ask them what their capabilities are, and communicate with them using a standard protocol.

Newspaper readership is still growing in India.

There certainly is a case to be made that taxes should be more progressive.

I'm quite worried about the fiscal imbalances that we've got and what that might mean in terms of financial crisis ahead.