Fear that another AWB would be passed spurred on those price increases. I don't see anyone fearing he's going to ban cars or gasoline any time soon
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You seem to live in a world of paranoid delusions. From "both sides of the arguments" you'd see that if the president really has the effect on prices you are claiming, then Obama has done better than Bush at maintaining stable prices. However, I don't think that's the case. I think we experienced a severe contraction in prices spurred by a flagging economy and resultant reduction in expenditure. As volatility decreased and the markets began to show signs of stability or life, prices returned to the pre-contraction levels (but importantly, not above). They've pretty much stayed there since then. One need only look at those inflation-adjusted prices to see the truth of that.
Of course, you have a bone to pick with him, so why let the facts stand in the way?