“The average national price for a gallon of gasoline hit $4.01 today, according to AAA – higher than it has ever been this late in the summer, an ominous sign for Republicans as they confront voters’ concerns with affordability,” Politico reports.“The national average price for a gallon of gas has never surpassed $4 after Aug. 10 – the tail end of summer when gas prices typically start decreasing – in any calendar year.”