When energy prices go up, the difficulty of projecting demand also goes up - uncertainty goes up.

The American people overwhelmingly want our troops out of Iraq. They want the federal government to take real and immediate action to combat global warming and to significantly expand support for stem cell research. Democrats almost unanimously support the people's wishes onthese crucial issues. Republicans don't.

When people flirt with despair about the future, they are less likely to take the actions necessary to safeguard it, focusing instead on the short-term.

Take it from me, every vote counts.

I have always been fascinated with those who try to look over the horizon and see things that are coming at us.

Anyone who deals with the climate crisis has an internal dialogue between hope and despair, because the challenge is so huge and the danger is so great and the stakes are so high. But I have always resolved that in favour of hope, and actually I'm more hopeful now than I was a decade ago when the solutions were visible on the horizon, but you had to seek reassurance that the technology experts that they're coming, they'll be here.

The presidency is more than a popularity contest.