He didn't need to demonstrate his science and art to anyone.

Senator Dole needs to demonstrate that he is not spent as a political force.

"You have 10 need to demonstrate your capabilities in hat field."

Both need to demonstrate greater wisdom in the months ahead.

But before that can happen, it needs to demonstrate some good faith.

Israel needs to demonstrate that "it is not running away from peace," he said on Thursday.

"We need to demonstrate the scale of the show," he added.

These changes need to demonstrate that they are effective in practice, however.

These States would simply need to demonstrate the necessary political will to achieve this.

We need to demonstrate that Europe can provide concrete answers.