What impact will the Northern Ireland election have?

The election in Northern Ireland saw nationalists, Sinn Fein, win the most votes. Their leader, Michelle O'Neill, becomes first minister. It has been heralded as a historic result. But what will its impact - on Stormont politics, the protocol and the union - end up being? Joining David Aaronovitch in the briefing room are: Enda McClafferty, BBC Northern Ireland's political editor Ann Watt, director of Pivotal, an independent public policy think tank Sam McBride, Northern Ireland editor, Belfast Telegraph & Sunday Independent Etain Tannam, associate professor of international peace studies, Trinity College DublinProducers: Rosamund Jones, Kirsteen Knight & Ben Carter Studio manager: James Beard Production co-ordinators: Siobhan Reed & Sophie Hill Editor: Richard Vadon