text:  Work on all this has fallen behind the schedule announced in 2013, when the then Prime Minister promised three quarters of the new network would be operational in 2025. It's going to be more like a quarter. As for the budget, in 2010, when the French decided to build all this, it was 22 billion euros. Now it's a gigantic 42 billion. So I asked Valérie Pécresse if it's worth the money.