You need a to pack a lot more than a granola bar when you head out on a day hike. Bill Radke talked with Taylor Brugh, vice president of Seattle Mountain Rescue, and Sandeep Nain, owner of the Redmond-based guiding company Miyar Adventures , about how to stay safe in the mountains — even if you’re just planning to be out for a few hours. Nain recounted a harrowing story about a friend who fell while rock climbing and ended up stranded with a concussion. He said the man’s climbing partner didn’t