Dave Davies

Statistical analyst Nate Silver says humility is key to making accurate predictions. Silver, who writes the New York Times' FiveThirtyEight blog, has just written a new book called The Signal and the Noise.

He's appeared in over 100 films and TV shows, but you still might not know his name. In his memoir, The Dangerous Animals Club, actor Stephen Tobolowsky talks about falling in love with comedy — and playing characters who are always on the story's fringes.

The Scottish actress plays Margaret Thompson, a young Irish widow who marries a corrupt politician on HBO's Boardwalk Empire. MacDonald, who got her start in Trainspotting, tells Fresh Air that she enjoys playing a "strong character" for a change.