Trump orders wall to be built on Mexico border

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President Trump has ordered the building of a wall along the Mexico border; we speak to a Mexican former interior minister and a Mayor of a so-called "sanctuary city" which grants legal protections to undocumented migrants. We get analysis of Russian parliamentary support for a draft law that would ease some penalties for domestic violence. And can a free film for schools about the pressures of social media help teenagers cope with anxiety and depression? (Image: US President Trump signs executive order. Credit: epa).