Assessing Obama's 2011 State of the Union

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President Barack Obama went to the battleground state of Wisconsin today to emphasize last night's call for "investment" in clean energy. We hear about the State of the Union address and Republican reaction. On Reporter's Notebook, there was lots of smiling last night on Capitol Hill. We hear the latest research on smiles and how they're perceived by other people.

Banner image: A member of Congress wearing a ribbon in support of Rep. Gabrielle Giffords (D-AZ), reads along as President Obama delivers the State of the Union address in the House Chamber on January 25, 2011. Official White House Photo: Pete Souza