As the US and Israel opened a new chapter of chaos in the Middle East, China stands to benefit from a Washington establishment that does not have the political or physical resources to focus on Asia. Officially, China has condemned the attacks. Wang Yi, the foreign minister, called them “unacceptable” and called for a ceasefire, rhetoric that is typical of Beijing in response to Donald Trump’s increasingly erratic foreign policy moves. Wang made similar comments after the US capture of the Venezuelan president, Nicolás Maduro, in January. The Chinese government…