Nigeria SARS protests: army on standby

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Rapper Falz tells us why he's protesting against the police unit, which is accused of brutality, extortion and mass murder We have an interview with the man set to become Bolivia's new president, the former right-hand man of ousted Evo Morales. Can he unite his divided country? And we get global perspectives on the US elections - part of a world service special. Turkey is expanding its regional influence as America's involvement declines - so will the election change that?