A U.S. soldier arrives to the scene where a suicide car bomber attacked a NATO convoy, killing at least 15, in Kabul, Afghanistan, Thursday, May 16, 2013. An Islamic militant group, Hizb-e-Islami, ... more 
A U.S. soldier arrives to the scene where a suicide car bomber attacked a NATO convoy, killing at least 15, in Kabul, Afghanistan, Thursday, May 16, 2013. An Islamic militant group, Hizb-e-Islami, claimed responsibility for the early morning bombing, saying its new "martyrdom" unit stalked the convoy for weeks. (AP Photo/Anja Niedringhaus) less 
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Associated Press | Photo By Anja Niedringhaus
Thu, May 16, 2013 4:26 PM EDT