Radio New Zealand - Te Reo Irirangi o Aotearoa

Monday 20 May: Feeding the Nine Billion

Global food prices have leapt in the past few years and there are fears that if the world’s population goes on growing, many more people will go hungry. A terrible prospect, but is it true? And if so, what is to be done about it? BBC 'Global Business' Peter Day chairs a roundtable discussion with experts from around the world.

Tuesday 21 May: Thomas Drake – Former Senior Executive, US National Security Agency

When it comes to national security does the need for secrecy override the public's right to know? It is a hot debate in many democracies, none more so than the United States where the Obama Administration has gone after leakers and whistle-blowers with unprecedented ferocity. Stephen Sackur speaks to Thomas Drake, a former intelligence official inside America's National Security Agency. His unhappiness with things he saw led him to leak information to a reporter. He ended up prosecuted by the government he had served. Did he deserve the trouble he got?

Wednesday 22 May: Egypt’s Challenge – Men in Uniform (Part 4 of 6)

The army has long been the dominant force in Egyptian society, while the police have ruled the streets with a rod of iron. For now the military has relinquished its hold on politics and the police officers have retreated to their barracks.

Thursday 23 May: Romario Tackles Brazil

Brazil is getting ready to host the 2014 World Cup. But the preparations have become mired in controversy. And leading the charge against over-budget stadiums, vested interests and corruption is an unlikely figure: Romario. Brazil's World Cup-winning footballer has transformed himself into a serious, hard-working politician. Tim Franks meets him for Assignment. Is this a genuine transformation for one of Brazil's most notorious celebrity bad-boys?