A day will come when our children and grandchildren will look back and they'll ask one of two questions. Either they will ask: "what in God's name were they doing?" or they may look back and say: "how did they find the uncommon moral courage to rise above politics and redeem the promise of American democracy?"

Politics has become a game of meaningless, mindless battles, conducted by unscrupulous methods and people, designed to transform even the most serious policy debates into sport.

Science has a culture that is inherently cautious and that is normally not a bad thing. You could even say conservative, because of the peer review process and because the scientific method prizes uncertainty and penalises anyone who goes out on any sort of a limb that is not held in place by abundant and well-documented evidence.

Americans have the right to have their medical decisions made by them and their doctors, and not by those bureaucrats sitting behind a computer screen hundreds of miles away.

I am concerned about the economy. I was the first one laid off.

I don't have the illusion that there's any position or role in the world with as much potential for bringing about change as that of president of the United States.

I put all my sighs in a lockbox