If you read The Currency’s three-part investigation last week into how the Limerick mayoral experiment has turned toxic, you might have thought the situation could not get any more chaotic. On Monday night, it did. There was hope that the plenary meeting of Limerick City and County Council might be the beginning of a reset, after this publication revealed the full extent of the turbulence around the country’s first directly elected mayor, John Moran. Reporting in The Currency also informed coverage of the controversy on RTÉ’s Prime Time last week. The meeting actually started without rancour. There were some testy…