In all corners of the United Kingdom, parties that back independence are now in charge. The SNP retained control in Scotland and Plaid Cymru took power in Wales for the first time following the May elections. And, with Sinn Fein becoming the biggest party in Northern Ireland back in 2022, it now means all three devolved legislatures in the UK are led by nationalist parties. So, what's behind their rise and are there similarities between them? Niall is joined by Professor Michael Keating,