"These things take far longer to turn into a construction project than our short-term thinking often allows us the luxury to appreciate," he said. "We're a country that really believes you can do them tomorrow. You can do them more quickly, perhaps, than you can as a public entity. But if it's worthy of a P3, than it is by definition complicated. It's going to take a lot longer than you think it is, and the magic of including the private sector isn't necessarily going to speed that up as much as you'd like."