Hot damn! I am very excited today. A book, America and the World: Conversations on the Future of American Foreign Policy that I was very involved in helping to hatch made it to Michiko Kakutani's top 10 list for books from 2008. And to top off a great day, my colleague and friend Steve Coll's The Bi...

A recent study at McGill University in Montreal, Canada proved that ghrelin, a hunger-inducing hormone in our gut, enhances the image of junk food's yumminess. The stimulant is naturally activated when hungry, causing quarter pounders and greasy pizza to look overwhelmingly tasty and unavoidable, as...