http://www.nytimes.com/2013/08/30/world/middleeast/aim-of-a-us-attack-on-syria-sharpening-a-blurred-red-line.html?hp
http://www.slate.com/articles/news_and_politics/the_slate_quiz/2013/08/the_slate_quiz_with_quizmaster_ken_jennings_play_the_news_quiz_for_the_week_4.html