He seemed to stumble when describing the geography of the state he hopes to represent.
McConnell holds a five-point lead over his Democratic challenger.
Sen. Jeanne Shaheen and challenger Scott Brown sparred over issues dominating campaign.
Whatever outcome you want to see on Nov. 4, there's a poll for that.
Possible legal challenges could impact race between Michelle Nunn (D) and David Perdue (R).
Walsh dropped out of Montana's Senate race and his degree was later revoked.
The Democrat is tied in her internals, while a GOP poll shows her trailing.
Martin Matishak 10/30/14 10:13 AM EDT
McCain cited the Iowa candidate's "background and knowledge and experience."
A holographic mailer shows the Kentucky Senate hopeful morphing into the president.
“I tend to be an optimist under these circumstances,” Mitch Stewart said.