Time to make the wealthy pay for development

The World Economic Forum's annual meeting in Davos, Switzerland, has always been more than a little problematic. But in recent years, the annual gathering of the rich and powerful has become an increasingly wasteful exercise in vanity. What is the point of all those private jets, luxury hotels, and clinking champagne glasses if they lead to nothing more than handwringing about the state of the world and vague promises to address multiple global challenges?