Analysis Washington’s Asian Allies Need a Backup Plan A strategic rethink is needed in an era of U.S. unreliability. By Mira Rapp-Hooper, a partner at the Asia Group and a visiting senior fellow at the Brookings Institution, and Zack Cooper, a senior fellow at the American Enterprise Institute. Taiwanese soldiers carry artillery shells for an M109A2 self-propelled howitzer during a live-fire training exercise in Taichung, Taiwan, on June 9. Taiwanese soldiers carry artillery shells for an M109A2 self-propelled howitzer during a live-fire training exercise in Taichung, Taiwan, on June 9. Cheng Yu-chen/AFP via Getty Images Get audio access with any…