A t the Plaid Cymru conference in February, the mood among delegates, voters and lobbyists was jubilant. And with good reason. The latest polls predict that the Welsh nationalists are the frontrunners to win the Senedd elections in May, which could overturn almost three decades of Labour rule. But Plaid is well aware that the main challenge is not coming from Labour. Leader Rhun ap Iorweth has struck a defiant tone, warning Welsh voters that it is now a “two-horse race” between his party and Nigel Farage ’s Reform UK, which is also targeting disillusioned Labour supporters who are ready to break years of tradition and vote for another party. Speaking to The Independent , Mr ap Iorweth said: ‘I think we need to be honest that we’re facing a global phenomenon here, the growth of the populist right – it’s something that is causing challenges from Trump in America to countries across Europe.…