The Association of Secondary Teachers of Ireland voted 95% in favor of strike action over public sector pay, joining other unions in a nationwide dispute with the government. RTE correspondent Brian O'Donovan explains the deadlock, noting unions demand upfront pay offers while the government insists on talks first. ASTI General Secretary Linda Kelly argues current pay increases are insufficient against inflation, while Irish Times columnist Jen Hogan highlights parents' concerns regarding school closures and the disruption to student support.