It’s the ethanol, Sherlock....For if he wins Iowa, he will have defeated the ethanol lobby. And beating Big Corn on its home turf is what can propel him to a win in New Hampshire.People in New Hampshire hate ethanol. Ethanol is corrosive, it destroys engines. If ethanol-laced gasoline is more than a couple months old, it can't be used in high performance small engines. It is hydroscopic, attracting water, another problem with performance.A lot of guys have a personal problem with ethanol. Go to any tavern in New Hampshire and you'll hear an earful. There's nothing worse than getting all rigged out with your chain saw, ready to...