MPs are launching an inquiry into reality TV programmes, after the Jeremy Kyle Show was taken off air following the death of a guest. Also on today's Daily podcast; tensions grow between the United States and Iran over Tehran's nuclear ambitions; Facebook is making changes to its live-streaming after the Christchurch terrorist attack in New Zealand; it's claimed some of the most vulnerable young people are being failed by private mental health units funded by NHS England; and new rules for broadband, phone and TV companies that could save you money.