Terry Gross

The actor is so good at what he does, you might not recognize him from role to role. He's played everyone from Sid Vicious and Dracula, to Sirius Black in the Harry Potter films, and now George Smiley in Tinker, Tailor, Soldier, Spy.

YouTube's future success depends on increasing the amount of time people spend watching videos on the site. The Google-owned website plans to roll out more than 100 new, professionally produced channels in a push to draw viewers away from television, and onto the Web.

In Intel Wars, historian Matthew Aid details how bureaucratic polices and a glut of raw data have weakened the intelligence community in its war against would-be terrorists.