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On ‘Super Tuesday,’ Donald Trump and Hillary Clinton stood out as clear front-runners in the US presidential election. We hear from a former director of the CIA and NSA, General Michael Hayden, who shares his concerns about both Trump and Clinton. Next, a reporter from Ghana describes African attitudes to America’s elections. Then, we head to Sweden, where innovations in urban planning have become as a model for cities across the globe.

Also, a reporter discovers that Catholic priests accused of molesting children in the US are still Church leaders in South America. A newspaper correspondent who made fun of the war in Afghanistan becomes the heroine of a bleak Hollywood comedy. And publishers of photo books face stiff competition from photographers who make their own books.

Picture: The headquarters of the US National Security Agency on the grounds of Fort Meade, Maryland.