Mr. Cheney did not say precisely how such a threat might emerge.

That threat was emerging just as the companies were sending voting materials to their shareholders.

However, when a genuine threat to survival emerges, one must act with brutal efficiency.

The terrorist threat to our nation did not emerge on Sept. 11, 2001.

However, the domain from which the threat and affirmation emerge is important.

The issue is not whether planners can predict precisely where and when future threats will emerge.

But since last month, a more mysterious threat has emerged.

We need to be aware that such a threat could emerge.

Mr President, along with the approaching winter season, the threat of a new gas crisis is emerging from the east.

Standing up again, forgetting her earlier embarrassment, Kate turned to see from where this new threat had emerged.