William Bratton is author of "China's Rise, Asia's Decline." He was previously head of equity research, Asia-Pacific, at HSBC.
The idea of a collective regional security organization should be revisited

U.S. military forces cross a flooded area during the annual Philippines-U.S. exercise at San Antonio, Philippines, in October 2016: the U.S. may conclude that the costs of defending its Asian partners against an assertive China are simply too high. © Reuters
William Bratton is author of "China's Rise, Asia's Decline." He was previously head of equity research, Asia-Pacific, at HSBC.