1United States President Barack Obama has fired his chief commander in Afghanistan, General Stanley McChrystal, and replaced him with McChrystal's own former boss, General David Petraeus. Kevin Baron, reporter for 'Stars and Stripes', an independent newspaper which is circulated to United States troops stationed overseas, discusses these events.

2Christchurch Hospital is reviewing its security after new figures showed that in the past two years, almost 1,200 staff members have been physically assaulted by patients. Ruth Spearing, Haematologist and chair of the Christchurch Hospital Medical Staff Association, and Ann Esson, Nurse Manager of Christchurch Hospital's Emergency Department, discuss the need for increased security measures in hospitals.

3The head of the World Health Organisation's Coallaborating Centre for Nutrition, Professor Franceso Cappuccio, is urging governments around the world to introduce laws regulating the amount of salt in processed foods.

4News from the United Kingdom, including: the new Conservative government's austere budget; military deaths in Afghanistan; England's performance in the FIFA World Cup.

5Feature guest: journalist and author Sebastian Junger spent a year embedded with United States troops in the so-called "Valley of Death" in eastern Afghanistan. In his new book 'War', Junger describes the camaraderie of a platoon in the 2nd battalion, the trauma of killing and the love between platoon-mates who would rather die than let each other down.

6Book review: Quentin Johnson reviews 'Road of Bones: The Siege of Kohima 1944' by Fergal Keane. Published by Fourth Estate.

7A Labour Party vote in Canberra is expected to see Kevin Rudd replaced by Julia Gillard as Australian Prime Minister. Rudd biographer Robert Macklin discusses the day's unfolding events.

8A documentary with eight business leaders talking about the mistakes they have made is being shown at Bizzone Business Expos in Auckland, Wellington and Christchurch. Three of the contributors to the documentary, Nick Katsoulis, Ian Taylor and Erica Crawford, discuss the importance and value of learning from business stuff-ups.