LONDON – The atmospherics in Scotland around this week’s meeting of the main protagonists in Northern Ireland’s long civil war have been good. The IRA has given up the gun. The fundamentalist preacher and leader of hard line Protestant opinion, the Rev Ian Paisley, is prepared to sit down not just with the prime minister of Ireland, Berty Ahern, and Prime Minister Tony Blair of Britain but also with Gerry Adams, the Sinn Fein leader (and the person in the IRA leadership who counts the most). Scotland, with its long history of autonomy on legal matters (remember the Lockerbie air terrorism trial), its independent educational system (no wonder Scots dominate the Blair administration) and, most recently, an autonomous parliament with real power is a lesson in political devolution for all who fear it, whether it be in Belfast, Madrid, Kosovo, Tel Aviv or New Delhi. Just about everything, other that...