Democrats see 2016 as a prime opportunity to regain a majority in the upper chamber.
Pelosi made her first congressional endorsement in the 2016 cycle.
Cruz's bet that outsider candidates will drop out of the race could be risky, some say.
“He should be leading the ‘Run, Joe, Run’ campaign,” says one Dem.
The effectiveness of attacking the brothers is questionable, strategists say.
Both men spent months running almost exclusively in New Hampshire.
"We are thrilled and grateful for the support" of donors, campaign manager Robby Mook said.
“He’s completely one of a kind,” said Republican pollster Kellyanne Conway.
A number of the most generous 2012 donors are sitting on their checkbooks.
Hillary defended her decision to not be a "stem winder" in calling to break up big banks.
Find out who is leading in the race to become the next president of the United States.
The quarterly deadline for campaigns to report their finances is fast approaching.
Fundraisers are urging Hillary Clinton to make Bill Clinton a bigger part of her campaign.
"He gets some of the reaction he does in part because people are genuinely worried and anxious."
Many Democrats increasingly think Biden will run for the White House.
Fiorina didn't moderate her stances when she ran for Senate in California.
"Do you really think [Obama] would come to my rescue?" Trump asks.
Her stellar debate performance won't necessarily make her a top contender, some say.
The candidate met with several-dozen bundlers just hours after the GOP presidential debate.