Robert StewartNorth America Correspondent at UpstreamFollow meOpinionFTC ruling is latest stumbling block for Hess and Chevron’s troubled $53 billion mergerFirst arbitration, then regulatory hoops — Chevron and Hess can’t catch a breakStumbling blocks: Hess and Chevron are preparing for the long haul with their merger plans now not expected to complete until 2025, far longer than either company expected when the tie-up was first proposed. Meanwhile, the US regulator has given the merger the go-ahead, but is not allowing Hess chief executive John Hess to take a seat on the board of the merged company over concerns about his communications with Opec officials.UPSTREAM/RYTIS DAUKANTAS