Although the African-American community quickly began litigation to challenge such provisions, in the 19th century Supreme Court challenges generally were not decided in their favor.

They have sued the government to have the law stricken, challenged various provisions and lobbied lawmakers and the commission to water down others.

Arne Duncan, head of the Chicago schools, has described the law as impractical and burdensome and challenged provisions he felt would harm his schools.

Critics of the new welfare law have begun to challenge this and other provisions, and Judge Newcomer's decision will give them ammunition.

Although African Americans quickly started litigation to challenge such provisions, early court decisions at the state and national level went against them.

Alabama Attorney General Troy King says he hopes to join other states and go to court to challenge provisions of the newly passed federal health care legislation.

Mr. Simmons previously has challenged similar provisions in the courts.

He challenged both the registration and the notification provisions.

The 112th Congress must now work together to challenge provisions in the law that will have a negative effect on small businesses and our economy.

But after Tyson successfully challenged provisions of the agreement with Conagra, Holly Farms decided to sell itself to the highest bidder.