Market recap: Why we need immigrants

By STEPHEN KEPPEL 

The largest immigration wave in U.S. history may be coming to an end. This week the Pew Center confirmed that immigration flows from Mexico to the U.S. have declined sharply in recent years. Between 2005 and 2010 slightly more Mexican immigrants returned to Mexico than came to the U.S. 

Economics Editor Stephen Keppel talks with Mariana Atencio about what this means for the U.S. economy. If this becomes a trend, rather than a blip on the radar screen, we may be in trouble. Watch to find out why.