President Trump’s recently concluded trip to Asia had the potential to advance important American security and economic interests. Played correctly, his ambitious five-country, 12-day trip could have steadied his administration’s rocky start in this vital region. Instead, it left the United States more isolated and in retreat, handing leadership of the newly christened “Indo-Pacific” to China on a silver platter.
The trip began with solid performances in Japan and Korea, where Mr. Trump’s relatively measured words left key allies reassured of the United States’ commitment to their security. The president largely shelved his belligerent trade rhetoric, called for allies to buy