1Insight speaks to supporters and opponents of MMP, ahead of a referendum on the voting system that's being held alongside this year's general election.

2In the wake of reports of Tamil asylum seekers heading for New Zealand, Chris talks to Sam Zarifi about the situation for Tamils in Sri Lanka following the end of the civil war two years ago.�There is growing international pressure for an investigation to address reports of human rights abuses inflicted on thousands of civilians as the Sri Lankan government moved to wipe out the Tamil Tigers.�

1On Mediawatch this weekend we look at the fallout from dirty deeds at the British newspaper The News of the World.� Editors have been arrested, journalists jailed and the biggest deal of Rupert Murdoch's career has been�derailed. Some are even calling all this 'Britain's Watergate'.

2Our papers here insist they don�t use illegal tabloid tactics, but are there lessons to be learned nonetheless?� And could calls to curb the power of the press in the UK end up having an impact here?

3The demise of the TVNZ Charter has re-ignited the debate on public service broadcasting and has an example of how an ABC documentary on Sir Edmund Hilary's legacy and the work of the Himalaya Trust (In the Shadow of Everest)was re-cut for the Sunday programme on TV1 to focus on the small part that describes the rift in the family and left out the parts that described the work of the Trust.

1Liz Garbus directed a new documentary that tells the story of chess champion Bobby Fischer. From a lonely childhood which saw Bobby obsessed with chess by the time he was six, he went on to beat Russian Boris Spassky in a fraught competition in Iceland, disappeared for a time, became a fugitive from US law, then re-emerged, seemingly in the grip of mental illness. It�s a fascinating story, brilliantly told in �Bobby Fischer Against the World�.

210:00 News

3For nearly 15 years, Dr Potangaroa has been involved in humanitarian aid and post disaster work in places such as Haiti, Sudan, Pakistan and Indonesia. More recently he has been working in Christchurch and he talks to Chris about humanitarian engineering � applying engineering principles directly to helping people hit by poverty and disaster, by providing clean drinking water, roads and houses. He also has a few things to say about building a better, fairer Christchurch, and taking care of the poorer parts of town where the most vulnerable people live.

411:00 News

1There are many life-saving medicines that cost just a few cents to manufacture but remain outside the reach of most of the world�s population. And then there are the diseases of the developing world for which drugs could relatively easily be developed but aren�t because there�s simply not enough money in it. Ideas talks to philosopher Thomas Pogge about an idea he says could radically change all that. Dr David Hadorn, tells Ideas about a proposal that he says has the potential to see New Zealanders at the front of the queue for innovative new drugs. And lecturer in health economics, Des O�Dea, discusses the pluses and minuses of the Pharmac model.