Clinton has locked down the support of over 40 percent of Democrats in Congress.
Republicans compete to show they are the best candidate to take on Clinton.
The candidate and her nascent campaign have signaled that this time will be different.
"The Clintons believe that they’re above the law,” the Kentucky Republican said.
Hillary Clinton’s email problems are taking a bite out of her approval ratings.
A handful of Democrats are mulling a challenge to Clinton, but only one is showing his teeth.
An unlikely critic of Hillary Clinton could pose significant problems for her.
“This is something that just escalates right before our eyes,” the Wisconsin governor said.
Legalization measures could increase the number of young voters.
The former senator is widely expected to seek a rematch against Sen. Ron Johnson (R-Wis.).
More than 40 current and former elected officials are backing the effort.
COATESVILLE, Pa. — Neither snow nor rain will stop Joe Sestak.
But Louisiana Gov. Bobby Jindal (R) fires back.
The president's shot at the Wisconsin governor makes him a hero among Republicans.
DES MOINES, Iowa — Bush looks to road test his 2016 message with conservatives.
They worry that email flap is just the latest example of her “bunker mentality.”
Some Republicans are afraid the glare of the newfound spotlight is exposing worrisome cracks.
Foreign policy is quickly dominating the Conservative Political Action Conference.
The Indiana governor might be running out of time to open the door on a presidential bid.