Vitaly Churkin; James Hansen; Wole Soyinka

Vitaly Churkin, Russian ambassador to the United Nations, comments on the ceasefire announcement after fighting erupted at the Russia-Georgia border. Director of the Goddard Institute for Space Studies at NASA James Hansen reports on climate change, fossil fuels, and the importance of looking beyond oil. Nobel Laureate Wole Soyinka talks about his friend Nelson Mandela who is also the subject of many of his poems.