An independent survey shows Sen. Mark Udall (D) in a statistical tie with Rep. Cory Gardner (R).
The vice president hit a number of campaign themes during a voter registration event.
The group to boost the would-be 2016 candidate is helping in Iowa and other top Senate races.
GOP candidate's Democratic opponent in Georgia once headed the foundation.
Elise Viebeck 09/17/14 09:42 AM EDT
Pro-abortion rights group turns its attention to Iowa, blasting Republican on women's health.
Ernst leads Braley 50 percent to 44 percent in a Quinnipiac poll.
With a sweep of South, GOP would all but seal a majority in the Senate.
The embattled, indicted N.Y. GOP congressman is still leading by four points for reelection.
Democrats spent much of the last two years building up big campaign warchests. Now they’re leveraging that cash advantage to dominate the airwaves in a number of states and districts.
The former president will speak at the Jefferson Jackson dinner on Oct. 16.