EXCLUSIVE : Inside the White House Fight Over the Slaughter in South Sudan

Salva Kiir Mayardit, South Sudan’s president, founding father, and longtime darling of Washington’s political class, stands accused of presiding over security forces responsible for killing thousands of civilians in a 13-month-long civil war that has heightened fears of genocide and fueled international calls for the imposition of a U.N. arms embargo to stem the bloodshed.FT:READ MORE