A new independent poll gives the Democratic incumbent a 3-point lead.
Former presidential nominee is latest member of the GOP cavalry getting called in to help.
Tillis is using the non-debate to call out Hagan — his campaign sent a media advisory about it with her listed as "TBD" and has brought it up on the campaign trail.
The 2008 GOP presidential nominee could face a fierce primary challenge from the right.
Republican hopes of winning the Senate and making House gains continue to rise.
VoteVets Action Fund is helping Senate candidate Bruce Braley and House hopeful Seth Moulton.
Rep. Cotton leads incumbent Sen. Pryor 49 to 41 percent.
A new independent survey puts the Kentucky Senate race in a dead heat.
"Apparently, the Nunn team feels they can repeatedly disregard" Bush's "wishes."
His campaign is offering volunteers all-expenses-paid trips to join his bus tour.