While a famous song by an equally famous Irish group has given generations of people an idea of the conflict on the island, the famous 'Troubles' that raged between Catholic Republicans and Protestant Unionist Loyalists from the 1960s to the late 1990s and beyond, it cannot replace a visit in person to understand how fragile this peace in Northern Ireland, even 20 years later, still seems.
There are of course the optimists, who are not really worried about the consequences of Brexit on...