The Guardian view on Plaid Cymru’s rise: Welsh politics is on the brink of a revolution | Editorial

After a century of Labour dominance, disillusionment with both Westminster and Cardiff has given progressive nationalists a historic opportunity Speaking last October at his party’s annual conference, Plaid Cymru’s leader, Rhun ap Iorwerth, raised the biggest cheer when he laid out the stakes in what may be an era-defining Senedd election: “Let’s be clear,” he told his audience: “We’re not here to act as Labour’s conscience. We are not here to repair Labour. We are here to replace them.” For ...

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