The timeline we're looking at is somewhere between 15 to 20 years, in terms of our long-term infrastructure program. When you look at asset managers and what makes sense, it is more than a three-year or a five-year program. Assets that we're looking at developing are for a much longer period of time, in terms of how long they're around. A bridge, for instance, lasts 50, 60, 70 years. So when we say “long term”, we mean a long-term infrastructure program.
I'm not sure where that $20 billion figure comes from. Perhaps you can clarify. I know when we talked about waste water, we indicated that our initial calculations on what it will take, over a 30-year period, to meet the waste water demands in this country are somewhere within a $20 billion and a $40 billion range. So I'm not sure where your $20 billion comes from.