Striking images from Northern Ireland are something we’ve all grown used to over the years. But to have two positive ones in quick succession is anything but the norm. Although the footage of Ian Paisley and Martin McGuinness sitting together was unfortgettable and symbolic, the end of the British army’s operation after 38 years was perhaps the most powerful reminder that this time it’s for real. The peace process has been long and tortuous, but for the people of Northern Ireland the journey is only just beginning. It’s difficult for most of us to imagine living in such a divided society.