Saeb Erekat discusses the impact of Israeli settlements on the 'peace process' [GALLO/GETTY]

In this episode of Frost over the World: The chief Palestinian negotiator on just how Israeli settlements in the West Bank impact chances for peace between the Israelis and Palestinians; UN messenger for peace Wangari Maathai on the climate change summit in Copenhagen; Barack Obama's musician of choice; and Chile's shifting political sands.

This episode aired from Friday, December 18, 2009.

Saeb Erekat


The chief Palestinian negotiator joins Sir David from Ramallah to talk about how settlement building in the West Bank is impacting the Middle East 'peace process'.

Ian Black & Wangari Maathai


Ian Black, the Middle East editor at the Guardian newspaper, discusses Saeb Erekat's conversation with Sir David.

Plus, in 2004 Wangari Maathai became the first African woman to win the Nobel Peace Prize for her environmental and political activism. She joins the show from Copenhagen to discuss the climate change summit.

Esperanza Spalding


When Barack Obama, the US president, received his Nobel Peace Prize he chose musician Esperanza Spalding to perform at the ceremony. At just 26, Esperanza is becoming a rising star on the jazz scene.

Ricardo Lagos & Tristram Stuart


Ricardo Lagos, the former Chilean president, talks to Sir David from Copenhagen about the climate change summit and the recent elections in Chile.

Plus, Tristram Stuart, the author of Waste: Uncovering The Global Food Scandal, organised a free lunch for 5,000 people in London using food that would otherwise have been thrown away to coincide with the Copenhagen summit. He joins the show to discuss this.

Source: Al Jazeera