Poorly secured nuclear material in the former Soviet Union, or secrets from a scientist in Pakistan could help build a bomb that detonates in Paris. The poppies in Afghanistan become the heroin in Berlin. The poverty and violence in Somalia breeds the terror of tomorrow.

Your ability to let go is part of the duty that you have.

[American Citizenship] captures the enduring idea that this country only works when we accept certain obligations to one another and to future generations

Like no other illness, AIDS tests our ability to put ourselves in someone else's shoes - to empathize with the plight of our fellow man. While most would agree that the AIDS orphan or the transfusion victim or the wronged wife contracted the disease through no fault of their own, it has too often been easy for some to point to the unfaithful husband or the promiscuous youth or the gay man and say This is your fault. You have sinned. I don't think that's a satisfactory response. My faith reminds me that we all are sinners.

All I care about is making sure that I leave behind an America that is stronger, more prosperous, more stable, more secure than it was when I came into office and that's going to continue to drive me.

Having a tax code that rewards companies that are shipping jobs overseas instead of companies that are investing here in the United States, that will not make us more competitive.

That's the true genius of America: that America can change. Our union can be perfected. What we've already achieved gives us hope for what we can and must achieve tomorrow.