How to keep your 2014 New Year's resolutions -- according to the woman who learned to dance in a year

Karen Cheng famously learned how to dance in a year in a viral YouTube video that racked up millions of views and adoring blog posts over the summer. But as it turns out, that was just the beginning for the 26-year-old San Franciscan. She also taught herself to play guitar and cello. And how to […]