Now Playing: 04-18-12 Marketplace

Citigroup shareholders voted down a pay package for the bank's top executives. A new startup is partnering with major universities to offer online courses for free. Ever since the nuclear meltdown at Fukushima, reactors have been shut down one by one, and now only one remains -- but there's a push to get them restarted. Commentator Robert Reich says history shows the economy has grown faster during periods where we've taxed the rich more. And in the latest from Freakonomics Radio, Stephen Dubner talks about the hidden side of corporate social responsibility.