The former representative and NFL quarterback would be Democrats' top recruit to face off against Sen. Richard Burr.
Intraparty fights produced damaged Republican candidates in cycles past, but for 2016, it's establishment Democrats who see their favorite picks imperiled.
The Illinois senator is running for reelection after suffering a stroke. How much did it change his brain? And is it wrong to ask?
An all-female Republican group thinks it knows how to take down Hillary Clinton. Will the GOP listen?
But Katie McGinty's entrance into the Senate race ensures a heated, divisive primary for the right to challenge Sen. Pat Toomey.
With Rep. Joe Heck running for the Senate in Nevada, Republicans got a candidate they want. Now, he has to get results in the nation's most Hispanic-heavy battleground state.
With the former senator passing on a chance to run again, Democrats' list of potential candidates looks dangerously thin.
The Harry Reid-endorsed Nevada Democrat has built up a Senate campaign quickly this spring.
Sen. Ron Johnson's team presents him as a real-life "Mr. Smith Goes to Washington." But being a political newcomer had its drawbacks.
And his warning to the rest of the GOP's 2016 field.
The Wisconsin Democrat hopes to return to the Senate, and he's promising to learn from the mistakes that cost him in 2010.
Republicans in North Carolina and D.C. think they've found a candidate to beat Walter Jones: a retired brigadier general with nearly three decades of Army experience.
The GOP's 2012 runner up is officially giving it another go.
Democrats think they can reclaim North Carolina's Senate seat if their 2014 loser is willing to try again.
The Club For Growth targets incumbents for support of the Export-Import Bank.
May 14, 2015
With the former senator's return, Democrats have a strong chance to beat Sen. Ron Johnson in Wisconsin. A loss could doom their chances of retaking the Senate.