@CNN: The happiest city in the US is Boulder, Colorado. Here’s the full top 10: https://t.co/y4ed40MS4J https://t.co/TPMXBSmZEW

@CNN: The happiest city in the US is Boulder, Colorado. Here’s the full top 10: https://t.co/y4ed40MS4J https://t.co/TPMXBSmZEW