Adding

Gas prices, that unforgiving economic billboard on every American street corner, have turned against the White House. Two weeks after President Donald Trump touted falling costs at the pump in his State of the Union address, the national average climbed to $3.60 per gallon — up 23% in a month — and his approval rating on the economy hit a new low. For a presidency built on the promise of putting more money in people’s pockets, the glow from those red digits is politically scorching. Few in Washington understand the power of…