Drugs or terrorism. I don't see anything else that's a likely cause. Given that there were bomb threats last week, my bet is on terror - at the hands of a blind, Mormon woman or an elderly Jewish man in a wheelchair, probably singing the National Anthem at the time of the attack and not yelling "Alley Oop Akbar."
http://twitter.com/monduras/status/781483651255111680

Gold is $1,581/oz today. When it hits $2,000, it will be up 26.5%. Let's see how long that takes. - De 3/11/2013 - ANSWER: 7 Years, 5 Months