I think the one thing about interchanging and the recommendation of the supply chain task force is that it's really focused on the movement of goods into the United States and Mexico. That doesn't address the global food insecurity issue. It certainly reduces costs, because now you're talking about having options of using different carriers, rather than being locked into the rail carrier that serves you.
There was an experiment a number of years ago that went on for three years. It was called “extended interswitching”. In its last year of operation, it saved probably close to $15 million or $20 million in rail freight costs for the people who used it, so—