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Now Playing: 12-15-11 Marketplace Morning Report

With the Iowa caucuses just a few weeks out, we take at closer look at the economic policies of Republican candidate Newt Gingrich. Federal student aid programs could be on the chopping block. Russia is about to get its invitation to join the World Trade Organization as ministers from the group's 153 members meet in Geneva.  And our weekly Attitude Check, part of our partnership with Gallup, looks at how Americans feel about the crisis in Europe.