A Reston-based developer plans to build a major office park in Manassas aimed at the kind of companies in the biotech, technology, biomedical and government-contracting businesses that Prince William County officials say they are trying to attract.	AT&T Government Solutions of Vienna has received a $13 million task order from the U.S. Agency for International Development to upgrade the agency's Web systems.	Deee-fense, Deee-fense Deee-fense. You can almost hear the chant rising from corporate offices all over town. As soon as Democrats take over Congress next month, all sorts of businesses will no doubt face sharp-elbowed congressional hearings called O & I -- oversight and investigations. And...
BEIJING (Reuters) - China promised on Monday to respond positively to the United States in high-level economic talks this week but drew a line in the sand by telling Washington that its exchange rate is a matter of national sovereignty.	TOKYO -- Nissan Motor Co. announced plans Monday to launch a next-generation fuel cell vehicle in the early 2010s in Japan and North America as part of its mid-term environmental strategy.	Metro faces a $116 million budget shortfall the next fiscal year, raising the possibility of fare increases, reduced bus and rail service and higher contributions from area taxpayers, according to budget documents and interviews with board members.