We should insist that governments receiving American aid live up to standards of accountability and transparency, and we should support countries that embrace market reforms, democracy, and the rule of law.

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

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.

The U.S. should support the historic Gaza withdrawal as a first step toward a final settlement: a permanent Palestinian state in Gaza and nearly all of the West Bank.

One half of the world's people live on less than two dollars a day. This should concern our national security policy as well as our conscience.

China's ability to deliver nuclear warheads on American cities is expanding.