Vault festival 2020: comedy and theatre shows to see
London's eight-week underground arts fest returns to Waterloo and the South Bank in January. Here's a dozen picks to get started … James McNicholas: The Boxer30-31 January The former Beasts sketch comic should have been a contender for the 2019 Edinburgh Comedy award with this tribute to his real-life boxing-champ grandad, Terry Downes. Brilliantly structured, with heartfelt laughs, it's an hour that leaves you pun…