http://onesourceblog.com/2013/01/st-louis-hot-air-balloon-provider-liable-for-sales-tax/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+onesourceblog%2FaHEX+%28ONESOURCE+Blog%29
Hot air balloons are interstate commerce? Points for originality - also negative points for stupid.