Welsh sovereigntist party Plaid Cymru has marked 10 years since Britain voted to leave the European Union with an urge to strengthen ties between the British island and the European continent. Now the nation’s governing party for the first time in its Senedd history, Plaid Cymru staked its pro-EU leanings on the significant anniversary of the fateful 23 June 2016 Brexit vote. Plaid Cymru’s official account posted on X: 10 years since Brexit – but what was it all for? The video features a number of Plaid Cymru politicians speaking about the broken promises of Brexit: 10 years on Brexit hasn’t…