On this week's New Statesman podcast, Helen Lewis, George Eaton and Caroline Crampton discuss the troubles facing Labour, and whether the Greens really are poised to split the centre-left vote at the next election. Plus, Helen Lewis and Ian Steadman discuss some worrying news for astronauts hoping to colonise Mars. [Ed: Apologies in advance for some audio quality issues with this week's podcast - gremlins got into the wires.] See acast.com/privacy for privacy and opt-out information.