New York (AFP) – US gasoline prices have fallen from historic highs earlier in the summer, a retreat highlighted by a politically beset White House as a sign of moderating inflation. President Joe Biden, who has seen his approval rating tumble amid the worst pricing pressures in decades, took to Twitter to point out that prices at the pump have fallen for more than a month, saving the average driver about $25 a month. “I know those extra dollars and cents mean something. It’s breathing room,” Biden tweeted Monday night. “And we’re not done working to get prices even lower.” Since hitting an al…