Steven Levitt publishes his new book Superfreakonomics, a Sequel to his first book, Freakonomics. In Freakonomics, Levitt applies economics to unusual topics like drug gangs. In Superfreakonomics, he again explores economics out of its typical context, discussing topics like Why Suicide Bombers Should Buy Life Insurance. To learn more about his first book, Freakonomics, visit: http://www.ted.com/talks/lang/eng/steven_levitt_analyzes_crack_economics.html