Plot: David Dimbleby chairs debate from Penzance, with a panel of politicians and other guests facing topical questions from the audience. The panellists are: Nadhim Zahawi MP, minister for education, Conservative; Rebecca Long-Bailey MP, shadow business secretary, Labour; Layla Moran MP, education spokesperson, Liberal Democrats; Tim Martin, chairman of the Wetherspoon pub chain; and Benjamin Zephaniah, poet and writer