Summertime running is a bit warmer, a bit sunnier and usually means you have fun, seasonal options for a celebratory post-run treat. We drew inspiration from some favorite ice cream treats with the limited-edition Melts Collection. New designs inspired by iconic flavors adorn the limited-edition Ghost 12 and Ricochet LE. We sat down with Nick Hemmer, senior footwear merchandising manager, to discuss this festive summer collection of footwear.   Can you provide some background on how this collection…