Ballot blocks: the squeeze on Hong Kong

The territory’s elections have been postponed, its activists barred from running—police are even targeting them abroad. What next for the democracy movement? We ask whether the global protests about race will affect rampant discrimination in Arab countries, most of which host a minority black population. And the solution to a viniferous mystery that dates back a century and a half. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer

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