South Sudanese lawmakers say they are working to implement the revitalized peace agreement, with 90% of the provisions already enacted; Authorities in South Sudan’s Northern Bahr el Ghazal State say they have closed the western border with Sudan indefinitely after a deadly attack by suspected Misseriya tribesmen last week; Some Sudanese political parties are expressing mixed views over a U.N.- facilitated initiative aimed at resolving the political deadlock.