Reps. are Ron Barber, Kyrsten Sinema of Ariz., Cheri Bustos (Ill.) and Nick Rahall (W.Va.).
The Florida Republican is vying with Alex Sink ahead of a March special election.
National Dems are expecting an influx of millions from Koch brothers-affiliated groups.
The ad campaign defends one of their strongest allies in Congress, Rep. Justin Amash.
“No, that’s not in the cards, unfortunately,” he said.
Her opponent, David Jolly, set, Alex Sink is running a positive bio spot.
Rep. John Garamendi (D-Calif.) won't switch to run in retiring Rep. George Miller’s (D-Calif.) seat.
Bill Hughes Jr. (D) raised $185,000 in two months to take on Rep. Frank LoBiondo (R-N.J.).
The Northern Virginia House seat is sure to stay in Democratic hands.
A Quinnipiac poll found 55 percent of voters rated Christie as a strong leader.