A small step towards peace in Darfur

The Takeaway
Sudan's troubled Darfur region has been in turmoil for years in a dispute that has killed over 300,000 people and displaced more than 2.2 million. Now there is word that the Sudanese government has signed a tentative agreement that could pave the way towards a cessation in violence. For more we are joined by the BBC's Karen Allen in Nairobi.