Plaid Cymru has been accused of "cultural extremism" and "attempting to rewrite Welsh history" amid its scheme to decolonise museums. The nationalist party said it will seek to deliver the Anti-Racist Wales Action Plan, which includes a "focus on the decolonisation of museum collections to rebalance perspectives".Cabinet Minister for Culture and Sport Heledd Fychan said that they "expect museums to use guidance such as the Museums Association’s …