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Britain\u2019s prime minister is making a risky move by calling for a general election in December. Will it succeed any more than it did for his predecessor? In Japan, both the government and the people take a dim view of soft-drug use; we ask why. And tourists make a dangerous and defiant last-minute dash up Uluru, Australia\u2019s most famous rock. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer