If a country denies it has AIDS, that country will inevitably become an even greater victim.

There is a split between Muslims who want to practice their faith in peace and tolerance with other religions and other people, and these extreme, radical fundamentalists who have shown a total lack of tolerance for people with different views, starting with people who they don't think are good Muslims, and going on to include Christians and Jews.

Our enemy is Al Qaeda and its allies, people who have publicly said they wish to attack the United States again, people who have publicly called on nuclear physicists and engineers to help them gain access to nuclear weapons, which, as the whole world knows, Pakistan has.

If a country denies it has AIDS, that country will inevitably become an even greater victim.

World War I was not inevitable, as many historians say. It could have been avoided, and it was a diplomatically botched negotiation.

In diplomacy, as in life itself, one often learns more from failures than from successes. Triumphs will seem, in retrospect, to be foreordained, a series of brilliant actions and decisions that may in fact have been lucky or inadvertent, whereas failures illuminate paths and pitfalls to be avoided.

The United Nations is an indispensable but deeply flawed organization. It is valuable to the United States, and the United States is invaluable to it. We need to reform it.