The issue focused on who would pay for the £10bn extra built at the £13bn Crossrail project.We asked you for your views on the role of public money in this huge project. Here are your stories.Caroline Haigh, Crossrail supportersThe crossrail project is one of the great transport infrastructure projects of our time. It has created huge benefits for people and businesses and has increased economic activity and jobs in our cities and towns. But it has also created huge challenges. For example, we