Labor Day weekend marked the unofficial end of summer , which technically doesn’t end until September 22. But I prefer to bypass this date in preference to the Starbucks calendar: Once the coffee giant rolls out its annual pumpkin-flavored beverages, summer ’s end is forced on us once and for all. Of course, I felt ridiculous as I recently tried to blow on a boiling cinnamon and pumpkin concoction I had ordered during a heat wave in Los Angeles. It was a blistering 99 degrees outside. Still, according to corporate America, which also ensures that Halloween-themed products are on the...