A likely source for terrorists seeking to buy or steal nuclear materials is the former Soviet Union.

Our democracy is not a product but a continual process. It is preserved not by monuments but deeds. Sometimes it needs refining; sometimes it needs amending; sometimes it needs defending. Always, it needs improving.

The temptations are great to simply retreat to the domain of private life and give up on our public problems.

The U.S has acquired reservoirs of goodwill around the globe over many years. But it is clear - from polling data and ample anecdotal evidence - that America is losing its allure in much of the world.

But in the end our government usually - not unfailingly - is responsive to the people; and usually - not always - will try to do what is right.

For decades the American people have had an addiction to oil and gas.

Foreign policy always has more force and punch when the nation speaks with one voice. To remain secure, prosperous, and free, the United States must continue to lead. That leadership requires a president and Congress working together to fashion a foreign policy with broad, bipartisan support. A foreign policy of unity is essential if the United States is to promote its values and interests effectively and help to build a safer, freer, and more prosperous world.