A weekend heatwave, wall to wall sunshine and even a slight drop in unemployment – it’s no wonder we are all so happy. This is one of the most joyous months we have had under this government, with the Retail Prices Index staying at 2.5%, more people in work and a three day weekend awaiting us. There has however been a rise in the Public Sector Net Cash Requirement, meaning we are not quite as happy as our happiness peak in February this year. The clear trend of decline in misery since February 2011 remains…