Former Taoiseach Bertie Ahern joins Drivetime to discuss Donald Trump's call for a united Ireland, arguing that while unity is inevitable, it requires calm, substantive work rather than political posturing. Ahern defends the Good Friday Agreement's vague border poll criteria, asserting that the current system is sufficient and that pulling in MLAs would be a mistake. He highlights the need to consolidate decades of academic and political research into a single comprehensive document to facilitate debate on practical issues like healthcare and policing integration. The interview also touches…