Now Brexit cannot mean UKEXIT – because the DUP won’t tolerate a hard border

The UK general election has done Ireland and its northern neighbour one immense favour. A hard UKEXIT, defined as the entire UK leaving the customs union and the single market, is off the agenda for now. Brendan O’Leary argues that Theresa May’s difficulties in enforcing such a uniform mode of leaving the EU will prove an opportunity for Ireland’s new Taoiseach, Leo Varadkar.