On Background: Sept. 23, 2013

The Washington Post
September 23, 2013 AT 5:06 PM
President Obama and Iranian President Hassan Rouhani are scheduled to address the United Nations Tuesday; Nia-Malika Henderson has the latest on what to expect from the summit. And, gunmen stormed a mall in Nairobi, raising the profile of al Qeada affiliate al-Shabab.