As the finance ministers for the world's richest nations meet in Washington, Joseph Stiglitz, Nobel-winning economist and former chief economist at the World Bank, discusses the global credit crunch.
The global relay of the Olympic torch, conceived as a journey of harmony, quickly descended into farce. The Guardian's Paul Kelso was in London to watch pro-Tibet protesters clash with Chinese students along the torch's route. Alasdair Sandford observed similar scenes in Paris. And Tania Branigan reports from Beijing on how the Olympic hosts view what's been going on.
Martin Meredith, biographer of both Robert Mugabe and Nelson Mandela, talks about the recent events in Zimbabwe, where Mugabe was elected president amid much hope in 1980, only to preside now over a nation torn by fear and economic chaos.
Silvio Berlusconi is poised to return for a third term as Italian voters go to the polls. The Guardian's correspondent in Rome, John Hooper, tries to explain Berlusconi's appeal.
Natalie Bennett, editor of Guardian Weekly, explains what is in this week's print edition.
Ban Ki-Moon, the UN secretary general, says there is now a "window of opportunity" to end the conflict in Somalia. The Guardian's foreigh affairs specialist, Simon Tisdall, discusses the prospects for peace.
Thanks to global warming, the region of the North Pole is more accessible for oil and gas exploration. Oliver Burkeman, who has been to Canada's northern territories, explains that the Arctic is facing an environmental catastrophe.
Fifty years ago, Abu Dhabi was a fishing village. Now it's an oil-rich emirate with vast cultural aspirations. Stuart Jeffries reports on the classical music festival from the Emirates Palace.
