We’re in the last leg of summer and we’re doing all the summer things: BBQ’s, picnics, long days at the beach, sweaty nights by the bay, road trips, the works. Then suddenly, as insidiously as hot gust of wind, thoughts of the PSL dropping grip us and pull us out of our summer fun. We’re not the ones making them, but we must be prepared. We are on high alert and the PSL won’t slide onto a Starbucks menu without us catching a whiff of that pumpkin spice first. Here’s what we know so far.