The least likely of military leaders, Joan of Arc changed the course of the Hundred Years' War and of history.

For years, the place I really lived - the world I watched, the one I thought and wrote about - was 15th-century France.

I have at last admitted that not only was I angry with my mother, but, in fact, I wanted to destroy her as a child. And I was so concerned to be a woman who was different from my mother that I had this vast architecture of rules.

I was the good girl who never needed disciplining, who made straight A's. I applied and was accepted to Stanford University.

If you're going to spend most of your time in your democracy figuring out how to get oil by intervening into other people's countries and insuring that you follow it with military might, we think there's an alternative. Which would be renewable energy.

But our energy woes are in many ways the result of classic market failures that can only be addressed through collective action, and government is the vehicle for collective action in a democracy.

Republicans like to accuse Democrats of trying to 'pick winners and losers.' They say we should run government 'like a business' and let 'the market' decide important matters. When it comes to the declining fortunes of dirty fuels like coal, however, they quickly they abandon these principles.

And when we draw lines in the sand with regard to certain basic things that are vital to our interest and to the interest of democracy and our friends around the world, we have to be willing to back that up.