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As a clear lead hardens and the appointment of a new prime minister looms, both contenders are making noises about cutting taxes. But would either have a firm grip on the country\u2019s long-term woes? The vast makeover of Ethiopia\u2019s capital city\u2014despite a grinding civil war\u2014is an idealised vision of the country\u2019s future. And figuring out why thinking hard is so exhausting. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer