Millionaires ask leaders at Davos to tax the rich

The Swiss resort town of Davos hosts the World Economic Forum each January, bringing together politicians, policymakers, and business executives.

Christian Hartmann/Reuters

• Nearly 400 wealthy individuals urged leaders at Davos to impose higher taxes on the superrich.
• The open letter, signed by Mark Ruffalo and Abigail Disney, targets interference by the wealthy.
• Oxfam said this week that a record number of billionaires were created last year.

Nearly 400 people...