A Failure of Leadership in South Sudan | Emails Connect Bridge Scandal to Christie Aide | Kristi Yamaguchi on the Music that Brings Home Gold Medals Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Gov. Christie: 'I Am Not A Bully' A Failure of Leadership in South Sudan The Complex Relationship of Presidents & Generals The Surprising Sounds Detected by a Nuclear Monitoring Network Kristi Yamaguchi on the Music that Brings Home Gold Medals Is NJ Bridge Scandal Business As Usual? Meeting the Standard: Making Medical Devices Compatible and Secure Women and children carry water in Minkammen on 01/08/14. Unrest began on 12/15/13 as a clash between army units loyal to South Sudan's President Salva Kiir and those loyal to ex-VP Riek Machar. ( Nichole Sobecki/AFP / Getty ) Produced by PRI and WNYC