Jul 19,2013 National Commentaries US Perspective "New Model of Great Power Relations" Two Competing Visions of Asian Regional Order at Sunnylands A number of commentators in the United States and China argued that the summit meeting between Barack Obama and Xi Jinping in Sunnylands in early June represented a potential turning point in US-China relations. The meeting was never intended to […] Michael J. Green Bipolarity , New Model of Great Power Relations , Obama-Xi Summit , Pivotal Developments , Visions of Regional Order