What appears to be a sudden epidemic of magical thinking actually reflects something else: the rise of a financial sector whose economic incentives have tilted away from core business competencies -- and toward something like that looks a little more like madness.
Cantor knows Wall Street is unpopular. He knows the Democrats are going to attack him over the move. He has to know that he is defending the ability of a small slice of Wall Street traders gaining unfair advantage in the markets.
When it comes to oil trading, not to mention speculation in the stock and other financial markets, action has largely moved to the screen, which is ruled by speculators who remain, as ever, bloodthirsty.