Now and then, an ugly incident provides a reminder of the potential for abuse.

This incident provided a significant check to British power in the area.

But the repeated incidents do provide strong grounds for continued federal vigilance.

The incident provides another example of the secrecy surrounding the Governor's fund raising.

The incident, however, provided us with a mission.

The incident provides a telling glimpse into the thinking of officials at the disease control centers.

The incident provided a rare opportunity for the assembled photographers.

The latest incidents provided the incentive for another round of negotiations.

"But the incident provides tragic proof that we need to do this."

That incident, expanded in the film, provides a personal dimension.