Plus, Rania Matar's photographic portraits

Plus, Tom Sachs on Mondrian's Broadway Boogie-Woogie

Plus, artist Pedro Reyes on his New York project; cartoonist Martin Rowson on Hogarth

We take a tour of the Artemisia Gentileschi show in London with curator Letizia Treves and explore a new biography of Frida Kahlo with its author, Hettie Judah

Plus, Jadé Fadojutimi on Laura Owens. Sponsored by Christie's

Plus, Tavares Strachan on Robert Smithson's Spiral Jetty. Sponsored by Christie's