Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. US Seeks Breakthrough on Sudan Referendum David Gollust | The State Department 28 September 2010 A southern Sudanese woman chants with pro-independence activists as they march through the southern capital of Juba on 9 Sep 2010. Hundreds of citizens took part in the rally, which aims to bolster support for an independence referendum that will determi Photo: AP A southern Sudanese woman chants with pro-independence activists as they march through the southern capital of Juba on 09 Sep 2010. The State Department said Tuesday said U.S. diplomats are working with northern and southern Sudanese officials in an effort to clear away a