President Biden announced his latest supposed silver bullet to deal with inflated gas prices that reached their all-time high last month — more ethanol than usually allowed in American gas — during a speech on Tuesday evening in Iowa. As usual, Biden's announcement was more about avoiding blame that explaining what his plan would do...because it won't do much. Biden's decision to use executive authority to have the Environmental Protection Agency (EPA) waive normal rules to allow grain-based ethanol mixtures of up to 15 percent in American gas supplies is, according to the White House, more action aimed at lowering...