FILE - In this 2012 file photo, Tunisian lawmaker Mohammed Brahmi poses for photographers during a political meeting held in Tunis, Tunisia. Gunmen shot dead Brahmi on Thursday, July 25

 

              FILE - In this 2012 file photo, Tunisian lawmaker Mohammed Brahmi poses for photographers during a political meeting held in Tunis, Tunisia. Gunmen shot dead Brahmi on Thursday, July 25
FILE - In this 2012 file photo, Tunisian lawmaker Mohammed Brahmi poses for photographers during a political meeting held in Tunis, Tunisia. Gunmen shot dead Brahmi on Thursday, July 25, 2013, this year's second political assassination in the birthplace of the Arab Spring and another blow to the country's rocky transition to democracy. (AP Photo/File)