But the new standards are being challenged by a number of cities, builders and oil companies.
That law is now being challenged by a consortium of businesses.
First, as a glance at Miami's restaurants will show, the Cubans are being challenged by a flood of "new Latinos".
"I'm not personalizing it to George, but institutionally the C.I.A. is being challenged by a very aggressive Defense Department".
Its hegemony in Juárez, however, is still being challenged by a group known as the Juárez cartel.
The assumption that top-caliber dance requires a trip to Manhattan is being challenged by a trio of local women.
Even as its proponents celebrate, Title IX is being challenged by a lawsuit by the National Wrestling Association of Coaches.
"In America, religious belief is being challenged by a cultural elite trying to create a secularized America, in which God is driven out of public life".
Her son said that being challenged by a reporter was the "final straw" for a woman who had long struggled with depression.
Even her relationship with Amy, while sexually passionate, is about being challenged by a new person, not about discovering that she is gay.
The group singled out 13 House Republicans — including one freshman woman, Vicky Hartzler of Missouri — who are all being challenged by a Democratic woman who favors abortion rights.
