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...
The Federal Trade Commission yesterday said that companies engaging in word-of-mouth marketing, in which people are compensated to promote products to their peers, must disclose those relationships.	Former Enron chief executive Jeffrey K. Skilling received at least a brief reprieve from prison yesterday after a federal appeals court said it needed more time to consider whether he should remain free pending appeal.	The Post's Amy Joyce offers advice about gracefully managing interpersonal issues on the job.