David Shiels: Brexit, Northern Ireland, and borders. Why the DUP may yet break ranks with May – and force a general election

The issue of the backstop is becoming more heated and harder to navigate as time goes by.

David Shiels: An Ulster by-election this week – and why abstention is a greater challenge to the Union than Brexit

It knows that it can continue the policy of staying out of the institutions in Belfast and London without damaging its long-term strategy. Unionists need them to work.

David Shiels: The Stormont elections were more a blow to Unionism than the Union

It highlights primarily the increasingly difficulty capital-U Unionism faces appealing to a more diverse, less tribal Northern Ireland.

David Shiels: How Northern Ireland’s Unionist parties are gearing up for the EU Referendum

There’s division, doubt and danger surrounding the prospect of Brexit. What would Unionism look like afterwards?

David Shiels: Cameron should reach out to Northern Ireland’s Unionists

The Prime Minister would do a service to his party and to the Union by doing so.

David Shiels: The baby who may visit Australia could one day be its King

Tony Abbott, like Stephen Harper and John Key, is a convinced monarchist – and support for the institution in the countries they govern is stronger than many believe.