There's an old African proverb that says "If you want to go quickly, go alone. If you want to go far, go together." We have to go far - quickly. And that means we have to quickly find a way to change the world's consciousness about exactly what we're facing, and why we have to work to solve it.

We have to abandon the conceit that isolated personal actions are going to solve this crisis. Our policies have to shift.

A free press is the immune system of representative democracy.

American democracy is in grave danger from the changes in the environment in which ideas either live and spread or wither and die.

I'm old enough to know that a red carpet's just a rug, and I've been able to enjoy the pageantry without letting it go to my head.

Earlier in this century, the Heisenberg Principle established that the very act of observing a natural phenomenon can change what is being observed. Although the initial theory was limited in practice to special cases in subatomic physics, the philosophical implications were and are staggering.

I think that we should ban so-called junk guns. I think we should ban assault weapons like the weapons used here [in Fort Worth], yes. I think that the kinds of weapons that have no legitimate use for hunting or the kind of weapon that a homeowner would use, I think they should be banned, yes, those kind of weapons.