Here's a pretty f-in good explanation with all the different reasons stated outright, between the lines, late, early or in the title: http://edition.cnn.com/2012/05/10/world/meast/syria-unrest/index.html?hpt=hp_t1 SEVEN pargraphs later: Let me sum up this attack in the way that it should have been stated on an international news network like CNN: At least three times more people have been murdered in Syria compared to the 9/11 attacks on the US World Trade Center.