Editors note: In his latest column, David Ignatius writes abouthis one-on-one interviewwith Irans president, Hassan Rouhani. A transcript of the full interview is below: Q:U.S. officials say that you have been given full authority by the Supreme Leader Ali Khamenei to negotiate the nuclear file. I would like to ask you if thats true, and what instructions ...

Irans President Hassan Rouhani has not ruled out the possibility of a meeting with US President Barack Obama during his upcoming New York visit to participate in the annual UN General Assembly conference. Meeting Barack Obama, the president of the US, is not on the agenda of my trip; of course, depending on the circumstances that come up, everything ...