United States Special Envoy to the Sudan region, Princeton Lyman, speaks to the media after a series of high-level meetings with the government in Juba, South Sudan Friday, Dec. 14, 201

 

              United States Special Envoy to the Sudan region, Princeton Lyman, speaks to the media after a series of high-level meetings with the government in Juba, South Sudan Friday, Dec. 14, 201
United States Special Envoy to the Sudan region, Princeton Lyman, speaks to the media after a series of high-level meetings with the government in Juba, South Sudan Friday, Dec. 14, 2012. Lyman, who is due to step down in January after two years in the post, said Friday that new security demands raised by Sudan are blocking the implementation of a peace and security deal with South Sudan. (AP Photo/Mackenzie Knowles-Coursin)