I am a truck driver.The Thursday after Katrina hit New Orleans I was on a run to New Jersey. While en route there, I was stuck in traffic on Interstate 81, just below the Virginia state line, (Bristol, Tennessee), due to a traffic accident with a fatality involved. This accident involved a tanker truck hauling a hazardous material load that developed a leak, which meant that we weren't going anywhere for several hours. After being told by the Tennessee state troopers that we would be sitting still until the clean up was completed, I set my brakes on the truck...