GENEVA (Reuters) - United Nations chief Kofi Annan on Tuesday demanded that the world body's human rights watchdog, meeting in special session on Sudan's Darfur, send a clear message that the "nightmare" of violence had to stop.	MOGADISHU (Reuters) - Somalia's Islamist movement warned arch-foe Ethiopia on Tuesday to withdraw troops from the Horn of Africa nation within a week or face war.	SARAJEVO (Reuters) - Forensic experts have found 114 complete bodies and 159 body parts in a mass grave in the northern town of Brcko, a missing persons official said on Tuesday.
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.