Now Playing: 07-17-12 Marketplace

The buzz is loud surrounding Marissa Mayer's big move to Yahoo, but what does it really take to be a turnaround CEO? Republican governors and giant e-commerce retailer Amazon now back Congressional legislation to tax online transactions. We take a look at who, between Gov. Romney and President Obama, has done more outsourcing throughout their careers. Kai Ryssdal talks to Wall Street Journal reporter Scott Patterson about what the government is doing to prevent economic data leaks that give high-speed traders an unfair advantage. And we hear about social entrepreneurship in Ghana, the tale of building a business one battery at a time.