Sen. Barbara Mikulski's career
At the moment Sen. Barbara A. Mikulski (D-Md.) completes the oath to begin her fifth term in the chamber, she will become the longest-serving female senator, surpassing the 24-year tenure of Sen. Margaret Chase Smith (R-Maine). Read more about her career and place in the Senate, and check out a timeline of her career.
Washington Post editors
| January 4, 2011; 10:20 PM ET
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