The great leaders that I have worked with are people who have a good sense of empathy with other people. They can walk a factory floor, or walk through a battalion and smell if there's something wrong.

Thee are such horrible weapons. And so no sane leader would ever want to cross that line to using nuclear weapons. And, if you are not going to cross that line, then these things are basically useless.

I think you can improve on that natural ability with training and exposure to great leaders of the past and to management theories.

Let me just be candid: My party is full of racists. And the real reason a considerable portion of my party wants President Obama out of the White House has nothing to do with the content of his character, nothing to do with his competence as commander-in-chief and president, and everything to do with the color of his skin. And that's despicable.

The essence of leadership is building bonds of trust in your organization.

Poverty arises and persists where corruption is endemic and enterprise is stifled, where basic fairness provided by the rule of law is absent. In such circumstances, poverty is an assault against human dignity, and in that assault lies the natural seed of human anger

The United States is not stingy. We are the greatest contributor to international relief efforts in the world.