Almost like clockwork, the question about Aughinish Alumina, the Russian-owned refinery business in Limerick, comes up. And just as predictably, the matter dims from the headlines and is forgotten again. Until the next time. The latest furore over Aughinish Alumina has a lot more staying power this time around, and it may be time for Ireland and the EU to act in some way instead of kicking the can down the road once more. For the uninitiated, the alumina refinery in Askeaton, Co Limerick, refines raw material into alumina, which is then shipped off to smelters to make aluminium. It…