Even now, almost 30 years later, Mairead Mackle can still remember the sense of utter chaos. A trained podiatrist, she had launched her own homecare business because jobs in her chosen profession were few and far between. (“I think I may have been bad at interviews,” she confides.)  She turned her home into an office, borrowed £10,000 from her local bank manager, and set about securing contracts from the State.  The days were long, and getting longer. The weekends were a blur. She had one infant, and another child on the way. One of her motivations for launching her own…