The closure of Michelin recognised Circa in Terenure earlier this month, sounded a klaxon of danger within the Dublin psyche. It went against the belief that the French guide, first started as a way to sell more tyres for the titular company, and which awards excellence, can inoculate establishments from going to the wall.  Hammered by the public health restrictions brought on by Covid-19, massive staff shortages, soaring energy costs, inflation and a cost-of-living crisis, it seems that neither plaques, recognition or customer favour, will be enough to save some establishments.  One restaurant is closing nearly every day now, according…