This video is no longer available online. In their hunt to discover the "quid" and the "quo," a Pulitzer-prize winning team of reporters from Copley News Service and The San Diego Union-Tribune had to learn the ins and outs of an unfamiliar political insiders' game -- the earmarking process.
In this video, reporters Marcus Stern, Jerry Kammer and Dean Calbreath, along with Keith Ashdown of Taxpayers for Common Sense explain how "pay-to-play" works inside the Beltway. (5 minutes)
Watch more of Stern, Kammer, and Calbreath in the full episode of "Quid Pro Quo ."