Mikulski endorses Clinton

Sen. Hillary Rodham Clinton (D-N.Y.) on Tuesday picked up the endorsement of Sen. Barbara MikulskiBarbara MikulskiGore wishes Mikulski a happy birthday at 'Inconvenient Sequel' premiere Bipartisan friendship is a civil solution to political dysfunction Dems press for paycheck fairness bill on Equal Pay Day MORE (D-Md.), Congress’s longest-serving female senator.

“As the first Democratic woman elected to the Senate in my own right, I am honored to join Senator Clinton in this historic effort to break the last barrier for women in public life,” Mikulski said.

Mikulski will serve as a chairwoman of Clinton’s campaign. She was first elected to the Senate in 1986, having served the 10 years prior in the House of Representatives.

Mikulski cited Clinton’s attention to women’s rights as one of the main reasons why she chose to endorse the presidential hopeful.

“I am truly honored to have the support of Barbara Mikulski,” Clinton said. “She has literally paved the way for me and countless other women who now serve in the Congress, and she’s never forgotten who she represents.”