Earlier this week, when she posted on Mumsnet, I bet Riven Vincent didn't expect to be all over the news today. But it's captured the imagination, not least because Riven met David Cameron in the election. In fact, it was another meeting that caught the headlines. Please think about Riven and so many other people who have children with disabilities. This is an important moment in looking at ourselves and considering what sort of society we are. But don't take my word for it - look at my friend's blog
