Numbers 32 + 138 = crazy

So one man kills 32 people in America and several sucide bombers kill 138 in Iraq yesterday. The story of all the 32 American victims fills the airways for weeks to come with long analysis about how this could have happened. What kind of cazy person could do this. Well what kind of crazy people spend year after year killing each other in Iraq? Where is the analysis of this situation? Why are Americans fighting in Iraq? Why are Arabs killing Arabs? Religion.