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>> “Cruz is liable to go backward in his polling numbers with iowa voters if he persists.” <<
Which proves that he is the sole candidate with moral integrity, and understanding of the disaster that Corn for Fuel has shown itself to be.
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That stance will possibly win him the battle but he'll lose the war.
Voters in Iowa that have jobs as the result of Ethanol are NOT going to vote to take away their own paycheck.. not to mention the state which derives tax dollars from ethanol.