Martin McGuinness gets plaudits for the most memorable piece of legislation from the old Stormont Executive – abolishing the Eleven Plus examination. No one can serious argue that the exam was not antiquated, and inadequate for testing abilities beyond the crude aggregate measure of IQ. But as Angelique Christafis points out, this is a step that the British government is reluctant to take in England and Wales. Peter Hain talks about the apparent contradiction. Will it put NI’s high levels of social mobility at risk? Will middle class Catholic parents vote with their feet and go independent?