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Mikulski becomes longest serving female _00083328
Mikulski becomes longest serving female _00083328

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    Mikulski sets record on Capitol Hill

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Mikulski sets record on Capitol Hill

Sen. Barbara Mikulski becomes the longest serving female in Congress Saturday, a landmark milestone. Dana Bash reports.

Mikulski sets record on Capitol Hill

Sen. Barbara Mikulski becomes the longest serving female in Congress Saturday, a landmark milestone. Dana Bash reports.