The globalized economy means that America's financial problems could spread to the rest of the world.  The International Monetary Fund says there's a one-in-four chance of a global recession, as finance ministers meet in Washington to decide what to do. How closely linked are the world's economies?  Will there be winners as well as losers?  Should Americans be worried? Also, an update on the situation in Zimbabwe, and pirates, hostages and big money for ransom.