11/02/2010 06:39 am ET | Updated May 25, 2011

Recounts Loom For Tight Races

The outcome of a handful of close Senate races might not be known on election night--or even soon after--which could leave control of the chamber unclear for weeks.

Contests that will help determine whether Democrats maintain their majority--including those in Colorado, Illinois, Nevada and Washington--remain tight heading into Election Day. A margin of a few hundred votes in a race raises the likelihood of recounts and ballot challenges that could drag on for weeks.

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