By bne Tehran bureau Iran’s former economy minister under President Hassan Rouhani has announced his support for so-called reformist presidential candidate Masoud Pezeshkian. Ali Tayyebnia is positioning himself as a future economic leader, following the return of other former technocrats and diplomats to the frontlines. A run-off presidential election will be held this week after no candidate secured a majority in the first round held on June 28. Meanwhile, the run-up to the next ballot is becoming heated, with increasing numbers of groups piling in on the prospect of a reactionary presidency…