This week, News Corp executive James Murdoch went before British parliament for a second round of questioning about the phone hacking scandal that has engulfed the Murdoch media empire. Brooke talks to Alan Rusbridger, editor of the Guardian newspaper, which first broke news of the scandal. He fills us in about how the story has metastasized since it first hit the press last summer.

Until this week, Penn State coach Joe Paterno was the epitome of everything that was right with college athletics. A sex abuse scandal that has spread to the entire university has changed all that. Paterno has been fired for allegedly failing to report abuse by a former assistant coach to police and his legacy has gone from 'St. Joe' to disgrace. Bob talks with Paterno biographer Frank Fitzpatrick. 

William Tyler - Cult of the Peacock Angel

Analysts at the CIA's Open Source Center spend their days combing through the world's tweets, blogs and facebook pages in an attempt to determine the mood of people across the globe.  They say this type of "sentiment analysis" helps them predict events like the Egyptian revolution.  Brooke speaks with Associated Press intelligence reporter Kimberly Dozier.

Researchers have been exploring the possibilities of sentiment analysis in areas other than national security and intelligence.  The availability of large amounts of textual data online makes mood tracking of large groups easier than ever. Bob spoke with Indiana University School of Informatics and Computing Professor Johan Bollen about the different applications for sentiment analysis.

In 2002, artist and professor Hasan Elahi spent six months being interrogated off and on by the FBI as a suspected terrorist. In response to this experience, he created Tracking Transience, a website that makes his every move available to the FBI - and everybody else. Brooke talks to Elahi about the project.

Will Sessions - Halftime

We run into them all the time, and usually we skip over them -- monetized links. They're the double-underlined hyperlinks you see on some websites which link to paid advertising content. But could these tiny links actually incentivize writers to skew their content for money? It may already be happening. Bob investigates.

Shabazz Palaces - Endeavors for Never