> I'm having a hard time imagining how it could be otherwise. A Northern Ireland (GFA) like scenario, where current UK citizens can choose whether they conside

> I'm having a hard time imagining how it could be otherwise. A Northern Ireland (GFA) like scenario, where current UK citizens can choose whether they consider themselves British, European, or both. I don't think this would be possible without allowing citizens of other EU nations to continue enjoying freedom of movement into the UK (as Irish citizens are allowed to live and work in the UK, and UK citizens can live and work in Ireland, independent of EU freedom of movement: http://www.citizensinformation.ie/en/moving_country/moving_to_ireland/rights_of_residence_in_ireland/residence_rules_UK_citizens.html http://www.citizensinformation.ie/en/moving_country/moving_t...).