Rep. Chris Van Hollen spoke out after the Supreme Court's Affordable Care Act ruling.
Rep. Jeff Miller (R-Fla.) disputed a report that he has already made up his mind.
Hagan, a one-term North Carolina senator, lost her seat to Thom Tillis last year.
The ad seeks to portray Portman as a fighter for blue collar-workers in Ohio.
Clayton Kelly videotaped the Mississippi Republican's ailing wife last year.
"This kind of sexist language has no place in the U.S. Senate," a fundraising email reads.
The longtime senator isn't looking to get his old job back.
Harry Reid and Steny Hoyer will host a D.C. fundraiser for former Rep. Baron Hill (D-Ind.).
The NRSC is out with a new video, shared exclusively with The Hill.
Johnny Isakson said the disease won't impact his run for reelection in 2016.