It took us 200 years to elect the first Democratic woman to the Senate in her own right, and that's Barbara Mikulski. Six years later, we had a grand slam: We elected four new Democratic women to the Senate. Sen. Mikulski now has some company.

It took us 200 years to elect the first Democratic woman to the Senate in her own right, and that's Barbara Mikulski. Six years later, we had a grand slam: We elected four new Democratic women to the Senate. Sen. Mikulski now has some company.