A Cardiff candidate for the Senedd is celebrating an early win after being elected to serve on the Unite union’s executive council, its highest lay-member body. It is a pivotal moment for the union, which represents more than a million workers across the UK and Ireland. John Williams, a young hospitality worker and LGBTQ+ activist, is the lead Senedd candidate for the Welsh Trade Unionist and Socialist Coalition (TUSC) in Caerdydd Ffynon Taf. He…