Mr. Rhodes, I took your statement comparing B.C. Rail running five or six runs per day and CN now doing it with two—because I guess they economized on three trips.... While each of the two are more expensive, it really does save them, because they're forgoing the other three. But there are experts in the field who say that's really not a problem. Even though I pointed out the issue you raised--i.e., the dynamic brake system--they say—