create a moral imperative? are we compelled to act? we have seen the syrian government sanction mass murder before. in kosovo, liberia. in some cases the world took action. in others it collectively turned a blind eye as thousands upon thousands died. and right now in syria, the question print itself again. when a government murders its own people, is it our problem? just last night the journalists marie colvin spoke to cnn was on anderson cooper's program talked about a toddler killed in the fighting and why she thought it was important for her to be there to tell the stories that might otherwise never be heard. >> that baby probably will move more people to think what is going on and why is no one stopping this murder in homs that is happening every day. >> hours after that interview marie colvin was dead, another