Now Playing: 01-16-12 Marketplace Index

The U.S. markets are closed in observance of Martin Luther King, Jr. Day, so we've got a lesson on why it's important to look both ways before crossing Wall Street. Look right and you'll see the European debt crisis, turn left and it's China's overheated economy. Economist Kash Mansori tells us why we should care about China. Plus, a new Pew study says two-thirds of Americans see a profound conflict between the rich and poor.