America, Syria, Chemical Weapons

http://www.economist.com/blogs/democracyinamerica/2013/08/america-syria-and-chemical-weapons?zid=308&ah=e21d923f9b263c5548d5615da3d30f4d ... Due 6 Sep 2013. What are the "backend costs" of going going into Syria? Analyze the situation with some cost-benefit analysis and discuss what we will give up to bomb Syria? What will be our benefits??