My belief is that the nation-state remains the one entity that can function, the one entity that can demand sacrifice from its constituents in the national interest.

Congress has the responsibility to ensure that any international trade agreement entered into by the United States must serve the national interest, not merely the interests of those crafting the proposal in secret.

Transparency in government, no less than transparency in choosing government, remains a vital national interest in a democracy.

I certainly believe that improving our intelligence is of important national interest.

I wanted to put the national interest before my personal interests.

What governments and people don't realise is that sometimes the collective interest - the international interest - is also the national interest.