“I have been sent to Coventry by Noel Meade and Michael Grassick,” Chris Gordon, the Turf Club’s head of security, told the High Court jury. “I have been boycotted.”  After what he described as a “harrowing” five and a half years, the ex-guard’s defamation showdown against the Irish Racehorse Trainers Association (IRTA) was finally in full swing. The jury trial, optimistically pencilled in for a fortnight, began in early February before Mr Justice Bernard Barton. Marked at times by explosive evidence, it ended up running for seven weeks – even as the world outside began to close down.  In his…