Now Playing: 05-03-12 Marketplace

The White House and carmakers have agreed to higher fuel efficiency standards for cars -- and it could still lead to higher gas prices. The average compensation for CEOs rose more than 10 percent last year, according to a report out today. Chesapeake Energy is one of the stars of the North American oil and gas boom, but its stock has dropped 25 percent this month. Unpaid interns increasingly say they're being exploited. And Politico's John Bresnahan talks about the high rate of return Rep. Brad Sherman has on invested campaign money.