It was a question of fairness, equal pay for equal work. That was the essence of the dispute the Workplace Relations Commission was asked to decide. For a decade, Ireland AM presenter Sinéad Desmond worked alongside her co-anchor Mark Cagney on the flagship breakfast show. Then in 2017, she took the shock decision to quit her job with Virgin Media Television (formerly TV3), citing a gender pay gap. She has since taken a case against her former employer arguing that she should have got the same monthly wage pack as her colleague. Cagney, who retired last year, was a veteran…