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Obamas appear in IL SEN ad; first featuring Michelle Obama

President Obama and First Lady Michelle Obama appear in an ad for Democratic candidate Alexi Giannoulias.

This is the first ad in which Michelle Obama appears.

President Obama appeared in one for congressional candidate Cedric Richmond (D), who's running in LA-2 against incumbent Republican Ahn "Joseph" Cao, the most vulnerable Republican in the country. On the front page of Richmond's Web site, by the way, is a photo of Richmond between... the president and first lady.)