My responsibility, our responsibility as lucky Americans, is to try to give back to this country as much as it has given us, as we continue our American journey together.

I try to be the same person I was yesterday.

Finding the Russian scientists may be a problem being that Russia does not have a Social Security System, as here in America, that allows us to monitor, track down and capture an American citizen.

The freedom to do your best means nothing unless you are willing to do your best.

Look for intelligence and judgment and, most critically, a capacity to anticipate, to see around corners. Also look for loyalty, integrity, a high energy drive, a balanced ego and the drive to get things done.

Service-learning is a particularly fertile way of involving young people in community service, because it ties helping others to what they are learning in the classroom. It enables them to apply academic disciplines to practical, everyday problems. In the process, it provides a compelling answer to the adolescent's perennial question, 'Why do I need to learn this stuff?

I don't know that there is much the United States can do except work with the international community.