Hello, this is Hui Jie writing to you from Singapore. Welcome to another edition of CNBC's Daily Open. Less than 24 hours after I wrote that peace could be on the horizon, Washington and Tehran were back exchanging fire. Predicting the trajectory of this conflict is beginning to feel like a roulette with missiles. So the question now is simple: Who shot first? The stop-start nature of the Iran war means that any attempt to project the conflict's trajectory usually ends in failure. On Thursday,