By Walter E. Williams
Despite Congress' periodic hauling of weak-kneed oil executives before their committees to charge them with collusion and price-gouging, subsequent federal investigations turn up no evidence to support the charges. Right now oil company executives are getting a bit of a respite as Congress has turned its attention to crude oil speculators, blaming them for high oil prices and calling for tighter control over commodity futures trading.
Let's look at the futures market and for........
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