Remember the trade war with China under Donald Trump? Some argue that Joe Biden started a tech war with China, setting limits on US investments in Chinese technology. Are we headed for a cold war next?

The goal is not to be alarmist, but to understand: what is at play in our relationship with China? What is the best way forward? And how do we avoid accidental conflict—coincidentally, the title of an excellent new book by Stephen Roach.

Now at Yale, Roach is the former chairman of Morgan Stanley Asia and led the bank into Chinese investments. He has lived these questions, and he has ideas.