Chinese virus: severe travel restrictions imposed

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China bans people from transport networks and public places in several major cities. Also in the programme: the Trump administration rolls back pollution controls that protect American waterways - we hear from New Jersey's former Governor; and - the millionaires who are desperate to pay more tax. (Photo: Chinese paramilitary police officers wearing masks patrol the Hongqiao Railway Station in Shanghai, China, 22 January 2020. Credit: EPA/LU HONGJIE)