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FILE - In this Jan. 31, 2012 file photo, Sen. Kirsten Gillibrand, D-N.Y., listens to a question from the media during a news conference at the Capitol in Washington. (AP Photo/Jacquelyn Martin)

Senate's Democratic leading ladies

A record number of 12 Democratic women are currently in the Senate. Sen. Barbara Mikulski, who led the podium program highlighting Democratic women candidates for Senate in 2012 at the Democratic National Convention, is the longest-serving woman in the history of Congress. Here's a look at the other leading ladies.