Among the many splits and divisions in Northern Ireland is educational apartheid. It runs so deeply through schools that Catholic and Protestant children are rarely found under the same roof. Public opinion polls show that a majority of people want that changed - that they believe bringing children together right from the beginning in school might be a step towards eventual reconciliation and peace. In this report, Jack Pizzey and a Man Alive film crew travel across the battered province asking who is against it And why? One parent talks of reprisals by her church when she refused to send her children to its school. Catholic and Protestant teenagers, who rarely meet, talk about what might happen if they did. In an experiment in one town the two sides do meet and - even more extraordinary in Northern Ireland -they discuss the gap between them and how they might brid