by saying that iran over thousands of years has responded and fought off aggressors like alexander the great and began gangis khan and he said, never threaten an iranian. try respect. it works. so this back and forth came after a weekend in which it looked like tensions were actually diminishing. iran backing off any aggressive warnings, even iran's revolutionary guard saying, we don't want war. but then the rhetoric ramped up again by president trump's tweet. and it's all led to a fairly unpredictable atmosphere. the u.s. oil company, for example, exxonmobil over the weekend, evacuating 80 foreign nationals from an oil field near basra in the south of iraq, just saying, look, no big deal. this is just precautionary.