Will the DUP lose ground under Edwin Poots?

This week Edwin Poots was formally endorsed as the DUP's new leader, in a meeting which Arlene Foster, Sir Jeffrey Donaldson (Poots's rival in the leadership campaign) and other senior DUP politicians walked out of before Poots gave a speech. What does the future hold for the divided political party that held so much sway in Westminster during the Brexit process? Katy Balls talks to James Forsyth and the Irish Times's Denis Staunton.