Consistently regarded as the happiest place on Earth, the tiny Nordic country of Denmark prides itself in its pleasant atmosphere, its high quality of life and its cosmopolitan vibe. The country’s capital, Copenhagen, is a city of storybook charm and cutting-edge cool. It is home to colorful neighborhoods, urban parks and a thriving nightlife.   TWO DAYS IN COPENHAGEN Following a visit to Stockholm, I flew to Copehnagen and spend two days exploring Denmark’s pleasant world-class capital city. Copenhagen woo’ed me with its walkable streets, its beautiful architecture, and its…