Failure to revive the Iran nuclear deal is making the Middle East “a more dangerous place”, Qatari Foreign Minister Mohammed Bin Abdulrahman Al-Thani has said. The top diplomat for Qatar, which has friendly ties with both Iran and the US and key mediator between the two countries, spoke to Bloomberg as the UN General Assembly took place in New York. “All of the parties that we have engaged with – in the past few days, actually – we heard positive intentions from them,” Al-Thani told Bloomberg in an interview posted to their website on Tuesday. “What we believe is important is to have a deal in…