[T]he idea of "polycentric governance" which the GPs embody...rests on the observation that corporate conduct at the global level today is shaped by three distinct governance systems...From the outset I rejected the voluntary/mandatory dichotomy that had paralyzed creative thinking and policymaking for too long, and insisted that "a smart mix of measures" would be required...The second major theme in the commentaries concerns the scope and scale of any international business and human rights treaty...[T]he third theme that runs through the commentaries is the challenge of providing effective remedy for victims, particularly judicial remedy.