The exchange between Ralph Cossa, President of Pacific Forum and Tim Huxley, the Executive Director of IISS-Asia, the official organizer of the Shangri-la Dialogue (Ralph Cossa, "U.S. 1, China 0", PacNet 35, June 5 2012; and Tim Huxley, "Response to PacNet 35", PacNet 35R, June 12, 2012) raises at least four important issues about the Asia Pacific security architecture and the US security commitment to the region.