The FOUNDING FATHERS of what has become the EU – to whom you paid tribute in your leader (27 February) – envisaged, in addition to creating political and economic structures, a recognition that our common humanity was infinitely more important than ties of nationality. They sought to put an end to the bloodshed of nationalist wars, and to a remarkable extent they succeeded. Many of the “Out” votes will be an expression of what you describe as “the abiding British demon of xenophobic nationalism and isolationism”. Such a vote would be tragic and indefensible.  Peter SimmonsNorth BerwickI SUGGEST that AD 2016 will prove to be a date as important in the history of Britain as AD 410 (the withdrawal of Roman Imperial governance) or AD 1066 (the Norman I