Bergen : Violence against Benghazi over film is part of a pattern of incidents . He says Christian and Christian extremists have incited deadly protests for February . More than a dozen people were subsequently killed during protests in Afghanistan . Peter Bergen : In several cases , the words of political leaders have helped spark violence .
Bergen : Violence against Benghazi over film is part of a pattern of incidents . He says Christian and Christian extremists have incited deadly protests for February . Peter Bergen : In several cases , the words of political leaders have helped spark violence .