The government has announced a public inquiry into why authorities failed to stop Axel Rudakubana before he killed three girls in Southport. But is it enough to stop another such attack? John Harris asks the counter-terrorism practitioner Rashad Ali. Plus, the Guardian political correspondent Kiran Stacey explores how Keir Starmer will deal with Donald Trump’s return. Help support our independent journalism at theguardian.com/politicspod