The death of Osama bin Laden marks the most significant development in our fight against al-Qa'ida. I salute President Obama ... in achieving this major accomplishment. ... The death of Osama bin Laden is historic.

Power is not anything that's given away. Power is something you have to compete for.

Saddam Hussein certainly has chemical and biological weapons. There's no question about that.

President Obama and the congressional Democrats have certainly been responsive.

Hillary Clinton knows, as I did know, as my women members know - that a woman being elected to a position, it's not about what it means to that woman. It's not about what it means to Hillary to be the first president. It's about what it means to all of the women in America, that a woman has broken the ultimate marble ceiling and that anything is possible for them and their daughters - and their sons. It's about sons, too.

Of course the issue of ending war, and creating prosperity; they're overarching issues all the time. But right now, the challenge to this generation I believe is the climate crisis. It's a national security issue, it's a health issue in terms of clean air, it's a competitiveness issue in terms of innovation and it's a moral issue to preserve the planet for the next generation.

When the Kyoto Protocol enters into the force tomorrow, the world will take a significant and long-awaited first step towards stemming global warming. Instead of stepping forward as the world leader on climate change, however, the Bush Administration is clinging to the role of world obstructionist.