Barbara Mikulski Is Not Retiring, Democrat Says

(US Congress)

And this report on a conservative blog, "The Vail Spot," centered Internet attention on whether Democratic Sen. Barbara Mikulski of Maryland, at left, could be next.

But a spokesman for the Democratic Senatorial Campaign Committee (DSCC) told CBS News Capitol Hill producer Jill Jackson that it's not true.

"She's moving full steam ahead," said DSCC spokesman Eric Schultz.