Amid the apparently relentless rise of nationalism around the world, the past week has offered a modest rebalancing towards cross-border co-operation and goodwill. As short-lived as it might be, it is worth dwelling on, if only for the satisfaction of seeing political leaders putting the complex task of furthering the common good above short-term electoral calculations. In Northern Ireland, the return of the DUP to the Assembly now allows the focus to return to solving the many problems affecting citizens left without a government for the past two years. Tommie unpicked how Jeffrey Donaldson confronted his party’s hardliners in his…