In his first 100 days in office, President Trump went from a being a new head of state elected on promises of getting tough on the “job-stealing” China to confronting the realities of crafting a coherent strategy toward the largest rising power, key U.S. trading partner and major player in Asian security issues -- without having centrally important agencies fully staffed. Judging Trump’s first 100 days on China, and trade policy toward China in particular, the president’s Republican allies in...