The Sudanese have delighted me, not only in their generosity and simplicity, but also in their tendency to take tea with milk and not to hesitate to dunk biscuits in it. As an Englishman, you can imagine the feeling of fraternal closeness that this activity has generated.

Stem cell research holds out the promise of finding cures and treatments for a wide range of diseases.

Mercury pollution from power plants is a national problem that requires a national response

But like the rest of the country, Maine has reached an impasse, for most of the mercury that fouls our skies, waters and land comes from outside our borders.

President Bush's mercury rule is a gift to the big energy companies that helped put him in office

Energy conservation is the foundation of energy independence.

I am confident that the British people will not be intimidated by terrorism.