Who is a better ally for the US – Russia or China?

By Jeremy Friedman, Assistant Professor, Business, Government, and the International Economy, Harvard Business School. 3D_creation/www.shutterstock.com Forty-five years ago last February, U.S. President Richard Nixon returned from a visit to China that shocked the world and unsettled leaders in Moscow, who were awaiting a visit from Nixon a few months later. Soviet leaders wondered if they were…