Yale University psychology professor Dr Laurie Santos spoke with the South China Morning Post about her course “Psychology and the Good Life", which made headlines as the most popular class in Yale's more than 300-year history. Now her research and methods are finding a wider  audience in online courses as well as a podcast The Happiness Lab, offering hope for people around the world, including in Hong Kong, where amid months of protests there has reportedly been an “alarming” drop in measured…