The internet has lost its mind over the limited-edition Unicorn Frappuccino – and apparently so have Starbucks baristas. The sugary frozen drink that changes flavor and color with a stir of the straw debuted on Wednesday and is only available until Sunday. A young man who is a Starbucks barista in Colorado described the “insane” scene at his location. “I have never been so stressed out in my entire life,” Braden Burson said in a video that’s going viral on Twitter. “My hands are completely sticky.” He says people were coming in left and right on Wednesday. “If you love...