The recent images taken of one of the world's last uncontacted tribal peoples have restarted the debate of many decades about how such groups should be protected from being forced off their land and diseases to which they have no resistance.

Desmond Tutu's conclusion that "silence and complicity, especially on the situation in Gaza, shames us all" after investigating Palestinian deaths caused by the Israeli military was all the more powerful by having been spoken by an anti-apartheid leader.

In north Belfast, loyalist paramilitaries were once vigilantes fighting the IRA, but they have survived as criminal organisations involved in extortion, drugs and robbery, and their community continues to pay a bitter price.

A secret deal being negotiated by the Bush administration would see the US military occupying permanent bases and controlling Iraqi airspace with legal immunity for all soldiers and contractors, regardless of the outcome of the presidential election.

It is appropriate that participants at the United Nations Food and Agriculture Organisation summit will concentrate on the effect of soaring food prices on the developing world, which brings the world perilously close to witnessing an epidemic of hunger.

Having remarked that this century's greatest crime had become normalised enough for somone who has breached the Nuremberg Principles on war crimes to visit book festivals, I proposed attempting a citizens' arrest of John Bolton, writes George Monbiot.

Robert Mugabe appeared at the United Nations summit addressing the global crisis caused by dramatic increases in the prices of staple foods, drawing fierce criticism from those who accused him of causing Zimbabwe's food crisis.

The withdrawal of Australian troops from Iraq reopened old wounds when prime minister Kevin Rudd accused the previous government of taking the nation to war based on a lie and said that supporting the war without UN approval had set a dangerous precedent.

In an extract from their new book, Larry Elliott and Dan Atkinson explain how the world's bankers promised economic stability, order and prosperity, but instead delivered chaos, debt and uncertainty.

The former Pakistani prime minister Benazir Bhutto smuggled critical data on uranium enrichment into North Korea during a 1993 state visit in order to help ease the way for a missile deal, a journalist who was close to the assassinated politician says.