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U.S. Rep. Tammy Baldwin, D-Wis, acknowledges supporters during her victory speech Tuesday, Nov. 6, 2012, in Madison, Wis. Baldwin beat former Wisconsin Gov. Tommy Thompson in the race for Wisconsin's U.S. Senate seat. (AP Photo/Andy Manis)

Record wins for women in Senate

Women will occupy a record number of

U.S. Senate seats -- roughly one in five -- in January,

following historic victories in Tuesday's elections. As many as six women could win election to the Senate once

all ballots are counted, and currently, 17 women--

the most yet-- serve in the chamber.