Now Playing: 12-19-11 Marketplace

North Korean leader Kim Jong-Il has died, which leaves his country and its economy up in the air. Here in the U.S., Congress continues debating extending the payroll tax cut. Some have accused Congress of 'kicking the can' on some issues, but where does that phrase come from? Commentator John Steele Gordon says politicians are to blame for the failure of Fannie Mae and Freddie Mac. A Saudi prince invested in Twitter. UPS is trying to go green. And migrant farmers in Guatemala are choosing between poverty, or pursuing a new life in an unfriendly U.S.