Filling the Global Leadership Vacuum - "Has the world entered a new era of chaos? America’s vacillating policy toward Syria certainly suggests so. Indeed, the bitter legacy of the invasions of Iraq and Afghanistan, followed by the 2008 financial crisis, has made the United States not only reluctant to use its military might, even when “red lines” are crossed, but also seemingly unwilling to bear any serious burden to maintain its global leadership position. But, if America is no longer willing to lead, who will take its place?"

http://www.project-syndicate.org/commentary/a-us-china-partnership-for-global-leadership-by-yoon-young-kwan