Iran, already struggling to attract investors to its energy industry, may find things tougher still as Trump refuses to certify the nuclear deal. (Bloomberg) — Iran, already struggling to attract investors to its energy industry, may find things tougher still as U.S. President Donald Trump refuses to certify the nuclear deal that eased sanctions on OPEC’s third-largest crude producer. In a speech Friday, Trump stopped short of abandoning the nuclear agreement but said he would impose new sanctions on Iran, particularly its Revolutionary Guard Corps, a branch of the armed forces that owns many businesses including in the oil industry. The move won’t immediately curb the flow of some 2.3 million barrels of daily Iranian crude exports — more than three times the amount of oil the U.S. has sold abroad over the past year. For energy producers, however, the administration’s more confrontational approach does raise the risk of […]