ofave witnessed the defeat nazi tyranny, the destruction of hateful walls that once divided freemen from the enslaved. at home, thanks to the tremendous bravery of men like , we are belatedly honoring the promise we made it to one another at the founding of the republic. we had at last begun to recognize women for their talents, and revere them for their contributions. celebrated theas end of polio. men left their footprints on the moon. whileratched its head trying to figure out the difference between a gigabyte and a happy meal. [applause] [laughter] >> none of this just happened, it happened because pieces -- able of conscience refused to be passive in the face of injustice or indifference to the demands of democracy. generation in a new century is summoned to complete our unfinished work. and to purge our politics of cynicism. today, the challenge of political courage looms larger than ever before. political life is becoming so expensive, so mechanized, and so dominated by professional politicians and public relations men that the idealist who dreams of independence statement ship is