Perry loved the work but grappled with the notion of fame, exasperated by mobs of screaming fans, the sheer loss of privacy and perhaps most of all the exalted status of teen idol.
One that doesn't call for violence or conversion, but one that relies on our capacity to grapple with differences without imposing our notions of good and bad.
The study was specific to China, a nation with several cities that have grappled with severe air pollution but researchers say the findings could be applied to countries around the world.
A couple other states have grappled with proposals concerning seasonal time changes, but even among those who want to eliminate them, there's still a debate over when to do it.