Pres. Obama's final 2014 message at campaign rally: "Vote. Vote. Vote. Vote. Vote.”
Grimes campaign files lawsuit to stop McConnell mailers warning voters of "Election Violation Notice."
Tens of millions of dollars in last-minute "dark money" pours into Senate races.
Will control of the Senate be decided by runoffs in Louisiana and Georgia?
Sen. Rand Paul criticizes Gov. Christie for his "bully demeanor."
New tapes reveal that police "no fly" zone over Ferguson during protests was aimed at the media.