Won't happen unless the fear of food shortage becomes an actual food shortage.
Ethanol subsidies let farmers already invested in corn grow more corn than they might otherwise sell for food, and politicians get to say they're doing something for renewable energy.
As with so many other things in politics, the good of society isn't the driving factor. Money and talking points are king.
Aren't the Iowa Caucus' days numbered? They've been a complete disaster the last few cycles – it seems to take days/weeks to determine a winner. Their last competently-run caucus was in 2008.
Ethanol subsidies let farmers already invested in corn grow more corn than they might otherwise sell for food, and politicians get to say they're doing something for renewable energy.
As with so many other things in politics, the good of society isn't the driving factor. Money and talking points are king.