Six do’s and six don’ts for a properly calibrated policy response to China.

Our policy of “strategic ambiguity”—in which neither China nor Taiwan can be sure whether the United States will intervene in a conflict—has outlived its usefulness.

All eyes seem fixated on North Korea, the South China Sea, or the Senkaku islands. But a crisis in the Taiwan Strait—postwar Asia’s original hotspot—could be closer than many realize.