In this environment, you get what the government calls a confession.

We asked the experts, if these items were in the bag and they came in contact with one another, was it possible, likely, that the contamination would go from the contaminated items to the uncontaminated? Yes.

It turns from a damning piece of evidence into the microscopic speck that it really is.

We're talking about microscopic particles that are easily transferred.

It's such a showcase facility that other government agencies are looking to come into our environment.

CSX's report shows steady improvement on the cost side and it continues to benefit from the strong yield environment that all the rails are seeing. However, the vast majority of the upside in the quarter was driven by gains on sales and we don't expect estimates to rise as fast for CSX as some of the other rails.