Which way do the political winds blow in Northern Ireland? The centennial of the decision to remain in the United Kingdom has been overshadowed by the infighting within the Democratic Unionist Party of the now outgoing First Minister Arlene Foster, pushed out by her own rank and file. We ask if that signals a further tack to the right for the Christian fundamentalist, pro-Brexit DUP, which opposed Theresa May's trade deal but with Boris Johnson now finds itself with a trade border in the Irish Sea.