even without gov't interference. The simple act of placing a bet can be considered a derivative and betting has been going on for millenia. If you want to reply, post it as a new comment so others can comment on the thread. I'll try not to be so disagreeable.
http://www.dailypaul.com/277342 (Rand Paul: One person can make a difference)
http://www.StandUpForYourRights.me/?p=1264 (Fast and Furious hearing)