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The run-up to the country\u2019s largest-ever election has been bloody; the aftermath will set the tone for President Andr\xe9s Manuel L\xf3pez Obrador, whose record so far is woeful. Our analysis of listed green-technology firms reveals striking growth\u2014but as with any tech-stock spike, it is worth asking whether it is all a bubble. And a look at two missions heading to Venus. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer