So if somebody wants to build a coal-powered plant, they can; it's just that it will bankrupt them because they're going to be charged a huge sum for all that greenhouse gas that's being emitted.

If you like your doctor or health care provider, you can keep them. If you like your health care plan, you can keep that, too.

I think it's really important to enlarge the issue behind abortion. I have been serving for over two decades and I have seen year in and year out largely the Republicans voting against women's contraception, family planning.

When we think of the major threats to our national security, the first to come to mind are nuclear proliferation, rogue states and global terrorism. But another kind of threat lurks beyond our shores, one from nature, not humans - an avian flu pandemic.

Libraries have a special role to play in our knowledge economy. Your institutions have been and should be a place where parents and children come to read together and learn together. We should take our kids there more.

We have a rare chance to pursue a new path, a different, better future that delivers progress for both our peoples and the wider world. That's the opportunity before the Iranian people. We need to take advantage of that.

There are values that transcend race or culture, that move us forward, and there's an obligation for all of us individually as well as collectively to take responsibility to make those values lived.