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Maria Cantwell

Sen. (D) Maria Cantwell speaks during an interview. (AP photo)

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.