This discrepancy, which is based on results from 27 states, could raise new challenges about the accuracy of the count.

Civil libertarians agree, and are raising vigorous challenges in higher courts.

Every encounter he had in this city seemed to be raising challenges of one sort or another.

And as the party has raised challenges to the process, officials said the Government has backed down on many of the most important ones.

Together, these factors raise significant challenges to any current producer claim of model predictability or certainty.

Indeed, the four areas I have mentioned have in common the fact that they all raise professional challenges.

The issue raises challenges for a legal system that is only beginning to develop guidelines on how such evidence should be reconsidered.

"The lack of legitimacy raises challenges, which leads to conflict."

Homecomings are likely to raise new challenges for a country divided and damaged by 14 years of conflict.

This phenomenon raises challenges, but also opportunities for public policies and the European future.