Senate nominee Joni Ernst is the second candidate all four Kochs have maxed out to this year.
Iowa state Sen. Joni Ernst (R) edged Rep. Bruce Braley (D-Iowa) in second-quarter fundraising.
They say they'll file within 10 days but still failed to produce evidence of voter fraud.
Dems say yes, Brown camp says no. Tape is muddled.
But the GOP’s advantage in super-PAC spending forced some incumbents to spend heavily early.
Bruce Braley (D) and Joni Ernst (R) are tied, but Jeanne Shaheen (D-N.H.) leads Scott Brown.
Dems hope she can help them hold on to blue-collar voters in red states.
Club for Growth president says case to challenge Thad Cochran's runoff win isn't clear.
Dem challenger to GOP Senate Leader Mitch McConnell is continuing her rapid fundraising.
The vulnerable Democrat raked in $2.1 million to Rep. Bill Cassidy's (R-La.) $1.6 million.