What would you do if you found a bag of white powder tucked neatly into the textbook you just bought on the Amazon Marketplace?
If you're smart, you'd take it to the police like Sophia Stockton, a junior at a university in Kansas who discovered something similar in the pages of a history book called "Understanding Terrorism: Challenges, Perspectives and Issues."
While we're on the topic of narcotics, don't forget to tune intotonight at 5:30 p.m. ET, live from the West Wing of the White House. Based on the results of a question submission contest held last weekend, Obama will begin with the most-voted question, addressing the decriminalization of marijuana.