To most people, eight days in Hawaii sounds like a dream.  And while I’m not a sit-on-the-beach kind of person at all — in fact, I hate both the sun and salt water — I am currently one of those people.  My husband and I are on Kauai right now, and there are enough activities — from hiking the Na Pali Coast to kayaking the Wailua River — to keep me very well entertained. But bringing diabetes to paradise is challenging. Most of my vacations tend to be in cities — or, if not urban areas, places...