An audacious proposal for a high-speed railway that would connect Vietnam’s south and north has been revived. But can the government raise the funds for it? https://www.economist.com/asia/2026/04/30/is-vietnams-latest-railway-ambition-worthwhile?taid=69f38e21412029000130f462&utm_campaign=trueanthem&utm_medium=social&utm_source=voante