As hopes rise that the pandemic is ebbing in the United States and Europe, visions of a second "Roaring Twenties" to match last century's post-pandemic decade have proliferated.
In her best-seller "Reading Lolita in Tehran," Azar Nafisi wrote about the lives of women in Iran; now she tells her own life story.
A look at the way happiness is measured and how it's achieved in the US and other parts of the world.