Professor Devi Sridhar and Joan Bakewell unpack the new Christmas rules

The new Christmas rules might mean people can mix indoors – but that doesn’t extend to the pub or restaurants, and once a bubble is chosen it cannot swap households. So what dilemmas will this raise for families juggling their guest lists for Christmas Day?

Professor of global public health at Edinburgh University, Devi Sridhar discusses with broadcaster and Labour peer, Joan Bakewell.