Depends on your definition of peaceful. By many measures we're already on our way: https://www.gatesnotes.com/About-Bill-Gates/Better-Angels-of-Our-Nature-in-

Depends on your definition of peaceful. By many measures we're already on our way: https://www.gatesnotes.com/About-Bill-Gates/Better-Angels-of-Our-Nature-in-Graphs-and-Numbers https://www.gatesnotes.com/About-Bill-Gates/Better-Angels-of...