In an American century, the burden of world leadership falls to us.

Therefore, let us stop kidding ourselves about our world leadership.

And he understands the need for Japan to share the responsibilities of world leadership.

It was in America's national, even vital, interest to assume world leadership.

He declares that the future of world leadership hangs in the balance.

Remember, this is the President who thinks he can provide world leadership.

I want Europe to keep its world leadership in financial services.

I ask, therefore, that all efforts be made to maintain Europe's world leadership in the automotive industry.

We owe the world leadership, and they're going to get it from this President.

The time to eulogise their great world leadership is over.