Great crises demand great sacrifice, which in turn presents problems for those unable or unwilling to answer the call.

Clearly, such a crisis demands the full attention of our best and brightest politicians.

And the deepening crisis will demand practical and pragmatic solutions.

This is radical stuff, but this crisis demands it.

The Ambassador said he called the President sparingly, only when a crisis demanded it.

However, Alexander did not intend to subdue the nomads; he wanted to go to the south, where a far more serious crisis demanded his attention.

The crisis in education that exists in South Africa demands special attention.

New needs, novel emergencies and crises demand rapid response.

This crisis demands that Europe take decisive action.

And they add that the crisis in American education demands a bolder, more ambitious Federal plan.