From blood banking to the modern subway, from jazz to social justice, the contributions of African Americans have shaped and molded and influenced our national culture and our national character.

Sound science must be a basis to governing our trade relations around the globe.

Social Security, a critically important, great program which does serve as the cornerstone of support for senior citizens, now faces challenges that threaten its long-term stability and well-being. The facts are there. The facts are crystal clear.

It is very important that the president thematically shows where we're going in terms of the vision and an agenda.

Individuals by themselves can make a difference. And by making a difference, you can improve the world.

September 11 impressed upon us that life is a precious gift. Every life has a purpose. And I think we all have a duty to devote at least a small portion of our daily lives to ensuring that neither America nor the world ever forgets September 11.

The number one killer of children in Rwanda is malaria. Since the United States of America stood up and working with Rwandans, we have been able to cut those deaths by two-thirds.