In Brief.

This article presents world news briefs. The administration of U.S. President George W. Bush will fight a ruling that allows meat packers to test their animals for mad-cow disease. A deal was made between the Italian government and labor unions to renew public employees' contracts with wage increases that will be retroactive by February 2008. A 2009 deadline was set to complete negotiations on an international climate-change pact that will limit greenhouse gases.