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In his last State of the Union address, President Obama has called for America to ‘cure cancer once and for all’. What would it take for the US to achieve this? We also hear from Pakistan after an attack on a polio vaccination centre in Quetta. And, we hear the conversation in Denmark surrounding a proposal to seize the assets of asylum-seekers. Picture: President Obma gives his State of the Union address and a scientist looks at cells through a fluorescent microscope Credit: Getty