US Ambassador Christopher Stevens was killed by an armed mob in Libya. Today, protests continue at US outposts elsewhere in the Muslim world. We talk with reporters, diplomats, pollsters and others about anti-Americanism -- its roots and its consequences. Also, the latest on the producer of the film, Innocence of Muslims.
Banner image: Protesters break the windows of the US embassy in Sana'a September 13, 2012. Photo by Khaled Abdullah/Reuters