Also known as the JCPOA, it was an international agreement between Tehran and the US, China, Russia, France, the UK and the EU to limit Iran's nuclear programme in exchange for sanctions relief
Shadi's take on efforts to secure the US-Iran talks
Q&A replay: US and Iran stand-off
The Middle East can't afford a US-Iran war, says Gargash
Shadi's take on tensions between the US and Iran
IAEA vote urges Iran to come clean about nuclear programme
