The hollowed-out school system poses the steepest challenge of all.

Dispatching national guard units to trouble spots across the country can also pose steep challenges.

Clinical decision support systems face steep technical challenges in a number of areas.

Producers will continue to face the steeper challenge of whom to cast as Stanley.

Turning around that legacy will be the steepest challenge for whoever or whatever is to come next.

In the event, she had a steeper challenge than fatigue to overcome.

Repeating that success today poses a steep challenge.

But the acquisition has created its own steep challenges for Cingular, which is still in the process of fusing the companies' billing and technology systems.

Ms. Lo quickly learned that there are steep challenges in technology and in business.

Changing public attitudes is going to be an even steeper challenge.