Based in Washington DC
Analysis: Leaked emails belonging to CIA Chief John Brennan reveal that he advocated for a policy shift towards Iran including direct talks and normalisation of relations several years ago.
Analysis: Regional powers have chosen to exclude Syrians from talks, as Washington involves Russia, Saudi Arabia, Turkey and Jordan in negotiations over Assad's future.
John Kerry and his Gulf counterparts have agreed that political dialogue is the only way to reach a sustainable solution in Yemen.
John Kerry announced on Wednesday that the Iran nuclear deal was safe from being blocked by Congress, which is scheduled to give its opinion on the deal before 17 September.
Analysis: Islamic State group's takeover of Anbar capital prompts calls for a US strategy change in Iraq, and warnings not to underestimate the implications of city's fall.
Comment: The deaths of black men at the hands of police in Missouri and Baltimore are sparking national anger, and it's now on the capital's doorstep, says Munir al-Mawri.
A member of the Houthi political bureau says his movement is open to talks even while Saudi Arabia continues its air campaign against its fighters.
Analysis: The launch of the Saudi-led operation in Yemen has apparently caused the Israeli prime minister to question US commitment to allies' security.
Analysis: Egyptian president Abdel Fatah el-Sisi might have proposed an Egyptian force to return Yemeni president Abd Rabbo Mansour Hadi to Aden.
Feature: Documents dating to 2011 indicate that al-Qaeda’s leadership was disillusioned with the forerunner of the Islamic State group over its targeting of Christians in Iraq.