Dave Davies

In his new book, the veteran political consultant tells stories about his years at Obama's side. After one debate, Axelrod says, Obama "made clear how he felt about me at that moment, and he bolted."

The Huffington Post's Jason Cherkis investigated the heroin epidemic in Kentucky, and found that the abstinence-based approach used in most treatment centers was leading to many fatal relapses.

While embedded with troops in Iraq, David Morris almost died when a Humvee he was riding in ran over a roadside bomb. His book explores the history and science of post-traumatic stress disorder.