Billy Hutchinson - Leader, Progressive Unionist Party, Northern Ireland

For 22 years Northern Ireland has been more or less at peace. But what about reconciliation between the two communities - Unionist and Nationalist - whose conflict cost 3,500 lives? That hasn't happened. Why not? And could the UK's exit from the EU heighten tensions further? HARDtalk's Stephen Sackur speaks to Billy Hutchinson, former loyalist paramilitary and convicted killer turned advocate of dialogue and co-existence. Is hope or fear predominant in Northern Ireland?