The country has the world’s worst estimated covid-death total—but as another variant takes hold there are reasons for optimism. Mexico’s president has some old-fashioned notions about energy, and his pet legislation would make it both dirtier and costlier. And the Orient Express was itself a murder victim, just one line in a continent-spanning rail network that may yet be revived.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer
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