I know that the precise magnitude and patterns of climate change cannot be fully predicted. But global warming clearly is a growing, long-term threat with profound consequences. And make no mistake about it, it will take decades to reverse.

At the dawn of the 21st century, a free people must now choose to shape the forces of the Information Age and the global society, to unleash the limitless potential of all our people, and yes, to form a more perfect union.

And I have a plan to do even better, to end welfare as we know it

These dilemmas present perhaps the most enduring conundrum of human history: can people derive their identity primarily by positive association or does life's meaning also require negative comparison to others?

The best example of all, to me, that our problems are both personal and cultural and political and social is the whole condition of the middle class economically.

Turning 50 gives me more yesterdays than tomorrows.

Throughout the Middle East, there is a great yearning for the quiet miracle of a normal life.