For America, strategic ambiguity over Taiwan has long deterred China. Feckless ambiguity does not hold the same promise https://www.economist.com/briefing/2026/05/07/china-is-pushing-donald-trump-for-concessions-on-taiwan?taid=6a013371c46961000181e594&utm_campaign=trueanthem&utm_medium=social&utm_source=voante