What could still scupper Northern Ireland's power-sharing plan?

Political commentator Katy Balls and TalkTV staff member Peter Cardwell discuss the recent developments in Northern Ireland's power-sharing plan, including concerns over the Irish border after Brexit. They explore the challenges faced by the Unionist party, the potential of a Sinn Féin first minister, and the impact of the return of Stormont on the UK government. They also highlight the importance of power sharing and the need for a functioning government in Northern Ireland.