Brennan 's reporting has taken her to Tehran , Baghdad , Kabul , Beijing , and Havana . She has covered diplomatic negotiations including the nuclear deal with Iran , the chemical weapons deal in Syria , and the reopening of relations with Cuba . She conducted the first US interview with South Korean President Park Geun-Hye covering her hardline policy against North Korea . The interview made headlines in Pyongyang and Seoul , where her etiquette was the topic of a morning show . She was also among the first reporters to interview Hillary Clinton about the fatal attack on the US mission in Benghazi , Libya
fatal attack
2012 Benghazi attack
Margaret Brennan