NEW: President Trump insisting gas prices will fall below $2 a gallon after the midterms, saying current high prices are the cost of keeping Iran from obtaining a nuclear weapon. "Right after the election, oil prices are going to be tumbling downward. They're

NEW: President Trump insisting gas prices will fall below $2 a gallon after the midterms, saying current high prices are the cost of keeping Iran from obtaining a nuclear weapon. "Right after the election, oil prices are going to be tumbling downward. They're going to be tumbling down, and we'll get them down, I think for gasoline, we'll get them below $2 a gallon." ▻