Once, when I was Prime Minister of Norway, I had an intense exchange with an opposition leader during "question time" in Parliament. In response, I exclaimed: "Yes, all is indeed linked to everything else." At the time, some criticized my comment as unclear. Today it is often quoted with great respect! This profound realization that everything is connected -- and therefore that we need a holistic approach to our greatest challenges -- is rooted in my training as a physician. That's when I came to understand the links between humans and the communities and societies we create, as well as with the environment in which we live. Read More?at www.huffingtonpost.com