President Obama's Asia trip takes him to South Korea at the end of this week, for a G-20 summit. Leaders of the world's 20 biggest economies will talk about the state of economic recovery, economic imbalances, and about how monetary and trade policies might improve things. For more on the Seoul summit, Robert Siegel talks to Ken Rogoff, a professor of economics at Harvard University and former chief economist of the International Monetary Fund.
Criticisms Await Obama At G-20 Summit
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