Now Playing: 08-30-12 Marketplace

What happens when fact-checkers have to check fact-checkers? Gallup's Frank Newport talks about what Americans think about the two presidential candidates. With college becoming more and more expensive, many students are looking for new paths to enter into their chosen career. Another elusive Apple secret is out in the open: their customer service manual. Sears, one of the oldest members of the Standard & Poor's 500, is getting the boot. Pandora, the online streaming music service, is trying to back new legislation to lower their royalty charges. And Kai Ryssdal talks to culinary historian and author Andrew F. Smith about his new book on tuna.