"Unless rapid deadlines are set, racial polarization can also begin to occur," the brief states.

There is a very strong racial polarization.

In cities like Chicago extensive magnet-school programs have contributed to racial and economic polarization.

"That is the coalition for victory, and racial polarization hurts that goal."

The two stories, son's and mother's, beautifully juxtaposed, strike a graceful note at a time (we are constantly told) of racial polarization.

"We don't want racial polarization to happen here again," Mr. Wall said.

While Wilson was seen as "conservative," he tried to avoid racial polarization.

They also said the covenant was a symbol of reconciliation in a city beset by racial polarization.

At the same forum, he said the Mayor was at least partly responsible for racial polarization in the city.

Miami, also torn by racial polarization, was condemned as America's most dangerous city in the 1980's and early 1990's.