Senate Majority PAC is looking to shore up the Dem after fallout over his comments last week.
His successor, Vance McAllister, is in trouble over a video of him kissing a staffer.
Joe Manchin says his party's attacks on the billionaires have gone too far.
The New Hampshire Democrat raised more than $1.5 million in the first three months of 2014.
He continues his strong fundraising pace to try and face Sen. Mark Begich (D-Alaska).
He'll link Johnson's domestic policy agenda to the civil rights struggle in his speech.
Polling, endorsements have opponent's team in Oklahoma Senate race concerned, insider says.
The former president said some "would turn back the clock" on civil rights.
The congressman is focusing on mending his family, according to his chief of staff.
Rep. Vance McAllister (R-La.) is adhering to a tried — though perhaps not true — strategy to weather the storm he’s facing after a video of him kissing a married staffer emerged: Bunker down and hope it passes.