Severe flooding in South Sudan is affecting the lives of roughly 800,000 people, leaving them without adequate food, water or shelter, Medecins Sans Frontieres said Tuesday. "Many areas [in South Sudan] have been flooded since July, while river levels are continuing to rise, worsening the crisis," the Medecins Sans Frontieres, or Doctors Without Borders -- an international humanitarian medical non-governmental organization -- said in a statement. Putting efforts to provide ...