Dame Carolyn McCall, the chief executive of ITV, on the crucial role played by public service broadcasters and the "urgent" need for government protection. She tells Amol Rajan why she welcomes the arrival of GB News, and explains the decision to take the Jeremy Kyle Show off-air. Plus Poirot, Love Island and the return of Britain's Got Talent.Studio engineer: Sarah HockleyProducer: Hannah Sander