Lizzie Boyle starts the new year with predictions for this week's biathlon in Pokljuka, Slovenia, then goes round the world through over a dozen sports to ask: what makes some nations better at sport than others? Transcript at https://drive.google.com/file/d/1mYSaI1pGr3XfzhcehiHNQfz_fm0Aq5oy/view?usp=sharing
