The death toll climbs as violence escalates in Iraq. We speak with former US Ambassador to Iraq, Ryan Crocker, for the long view on renewed sectarian violence in Iraq. Also, as the number of Chinese students studying in the US grows, colleges develop programs to help them acclimatize to an American lifestyle. And, a Swiss trio melds Cajun, Creole and Zydeco music with hints of The Clash and the Velvet Underground.
