No one who has lived through the second half of the 20th century could possibly be blind to the enormous impact of exchange programs on the future of countries.

Even as people take pride in their national independence, we know we are becoming more and more interdependent.

In science, if the last 50 years were the age of physics, the next 50 years will be the age of biology.

In the new economy, information, education, and motivation are everything.

Strength and wisdom are not opposing values.

My major political identity has been as her spouse for the last decade and I like it that way.

The new energy future is decentralised, entrepreneurial and needs people like you to say 'Give me a clean car, give me solar shingles to put on my roof - give me a clean future'