People around the world are more miserable than ever before. Plus, American's negative experience scores are higher than the average across the globe. Dr. Terri talks to Dr. Tal Ben-Shahar, international happiness expert and renowned Harvard positive psychologist, about his newest book titled "Short Cuts to Happiness: Life-Changing Lessons from My Barber." In the book, New York Times-bestselling author Tal Ben-Shahar chronicles his conversations with his longtime barber and states that happiness can be found in surprising, everyday practices.