Josh Turek, the Democratic nominee for Senate in Iowa, enjoying a tasty beverage while speaking with a voter at the Iowa State Fair on Aug. 14. Scott Olson/Getty Images.Two years ago on this date, we were still in the waning days of Brat Summer. Kamala Harris reached her peak in our presidential forecast on Aug. 14, though she’d never really achieved escape velocity, and by Aug. 29, Trump was the favorite again.1That’s not the only summer memory…