BRUSSELS — The European Commission wants to restart coordinated EU-wide gas purchases as the Iran war raises supply fears, according to planned remarks seen by POLITICO. It's one of a number of new measures the EU executive is exploring to help shield countries from rising prices as national capitals grow nervous at the prospect of an energy crunch. At the same time, it risks provoking a backlash from industry, which has long questioned the effectiveness of coordinated fuel buying. The EU first