Finland ranked as the world’s happiest country for the second year running while war-torn South Sudan sank to the least contented in a United Nations report released on Wednesday. The Nordic nation of 5.5 million people, known for their love of forests, lakes and saunas, topped the study which used survey data asking citizens in 156 countries how happy they perceive themselves to be, as well as measures such as life expectancy, income and social […]