Today on the First 40 Miles, you have one hour to teach half a dozen 12-13 year old boy scouts a handful of backpacking basics.  Where to begin…?  Then on the SUMMIT Gear Review, a day pack that has the potential to fit a few extras for an overnight out and back.  On today’s Backpack Hack of the Week, a little variety goes a long way—and we’ll show you the best place to stock up on a load of trail worthy snacks.  Then we’ll wrap up the show with a little trail wisdom from Sheridan Anderson.