In the race for President Obama's old Senate seat in Illinois, voters have seen a steady stream of negative ads. We checked in on the latest from Democrat Alexi Giannoulias and Republican Mark Kirk.
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The race between Illinois state treasurer Alexi Giannoulias, a Democrat, and U.S. Rep. Mark Kirk, R-Ill., for a U.S. Senate seat has become downright nasty. We weigh in with a few fact checks from the competing attack ads.