More than a dozen key Syrian rebel groups said Wednesday that they reject the authority of the Western-backed opposition coalition, as U.N. inspectors returned to the country to continue their probe into chemical weapons attacks. In a joint statement, 13 rebel groups including a powerful...

Syrian President Bashar Assad's document is surprisingly thorough, say officials familiar with the closely guarded information. Signaling that he may be serious about giving up his chemical weapons, Syrian President Bashar Assad  has disclosed the locations of dozens of poison gas...

Iranian President Hassan Rowhani urged U.S. President Barack Obama on Tuesday to ignore “war-mongering pressure groups” at home in dealing with the Iranian nuclear dispute. In an address to the U.N. General Assembly in New York -- his first appearance on the world stage as Iran’s...

 Seeking to build on diplomatic opportunities, President Barack Obama is expected to signal his willingness to engage with the new Iranian government if Tehran makes nuclear concessions long sought by the U.S. and Western allies. Obama, in a planned address to the United Nations General...