Clinton and Warren greet a crowd of 2,000 at Union Terminal

Since Hillary Clinton became the presumptive Democratic nominee for president, two questions remained: Who will she pick as her running-mate and how will she win over Bernie Sanders supporters on the left? In an apparent act of highlighting party unity, Clinton and progressive Massachusetts Sen. Elizabeth Warren campaigned at the Cincinnati Museum Center at Union Terminal Monday in front of a crowd of over 2,000 waving signs that read "Love Trumps Hate" and "Girl Power." This marked the first time the newly-found political alliance have campaigned together.

Elizabeth Warren joins Hillary Clinton on trail

The Massachusetts senator will make her debut on the 2016 campaign trail Monday morning alongside Hillary Clinton here, where she is expected to deliver fiery criticism of Trump and attempt to highlight sharp contrasts between the two parties' presumptive presidential nominees. Warren's decision to be an active surrogate is a significant political win for Clinton.

If You Fail to Plan, Then You Plan to Fail

Like my colleague David Atkins, I think a Hillary Clinton-Elizabeth Warren ticket would be a strong one for the national Democratic Party; on MSNBC this morning, Joy Reid also noted Warren's merits as a running mate for Clinton. However, as a Massachusetts native, I cannot dismiss concerns that Warren's departure from the Senate upon becoming Vice President would quickly become a disaster for the state Democratic Party.

The Latest: Pillows, Sleeping Bags for House Dems Protest

Rep. Elizabeth Esty of Connecticut had a sleeping bag, while Sen. Elizabeth Warren of Massachusetts brought Dunkin' Donuts for her House colleagues who were staying awake. Rep. Emmanuel Cleaver II of Missouri, dressed in a pink suit, carried a pink-and-white striped pillow in his hand for several hours as he walked around the House chamber.

Clinton’s VP search moves into more intense phase

Hillary Clinton's search for a running mate is moving into a more intense phase, according to several Democrats, as aides contact a pared-down pool of candidates to ask for reams of personal information and set up interviews with the presumptive Democratic nominee's vetting team. Those on the shortlist include Massachusetts Sen. Elizabeth Warren, a favorite of progressives who has emerged as a blistering critic of presumptive Republican nominee Donald Trump; Virginia Sen. Tim Kaine, a well-liked lawmaker from an important general election battleground state; and Housing and Urban Development Secretary Julian Castro of Texas, a rising star in the Democratic Party.

Trump fires campaign manager in dramatic shake-up

Donald Trump abruptly fired campaign manager Corey Lewandowski on Monday in a dramatic shake-up designed to calm panicked Republican leaders and end an internal power struggle plaguing the billionaire businessman's unconventional White House bid. In dismissing his longtime campaign chief -- just a month before the party's national convention -- Trump signaled, at least for a day, a departure from the seat-of-the-pants style that has fueled his unlikely rise in Republican politics.

Hillary Clintona s VP search moves into more intense phase; Sanders not on shortlist

Hillary Clinton's search for a running mate is moving into a more intense phase, according to several Democrats, as aides contact a pared-down pool of candidates to ask for reams of personal information and set up interviews with the presumptive Democratic nominee's vetting team. Those on the shortlist include Massachusetts Sen. Elizabeth Warren, a favorite of progressives who has emerged as a blistering critic of presumptive Republican nominee Donald Trump; Virginia Sen. Tim Kaine, a well-liked lawmaker from an important general election battleground state; and Housing and Urban Development Secretary Julian Castro of Texas, a rising star in the Democratic Party.

The Latest: Trump promises ‘different kind of a campaign’

The presumptive Republican presidential nominee made the comment Monday on Fox News Channel's "The O'Reilly Factor" while explaining his decision to fire campaign manager Corey Lewandowski earlier in the day. He repeatedly called Massachusetts Sen. Elizabeth Warren "Pocahontas" in the interview.

Post-Orlando: Stark numbers, divided Americans

Republicans and Democrats only agree on a single issue following the terrorist attack in Orlando, according to two major pollsters. "An overwhelming majority of Americans would support a law that prevents people on the federal government's terrorism watch list from buying guns," says a new YouGov.com survey.

Poll: Clinton leads Trump by 11 points in White House race

Hillary Clinton leads Donald Trump by 11 points in the U.S. presidential race, showing little change after she became the presumptive Democratic presidential nominee this week, according to a new Reuters/Ipsos poll. The online poll, conducted from Monday to Friday, shows 46 percent of likely voters support Clinton while 34.8 percent back Trump.

Trump’s no-apologies campaign tour hits hard on Romney, Warren

Donald Trump on Saturday kicked his unapologetic presidential campaign into high gear -- saying he won't apologize for his personal attacks on Sen. Elizabeth Warren and extending his feud with GOP establishment leader Mitt Romney. "The guy's a stone cold loser, a choker," Trump, the presumptive GOP presidential nominee, said about Romney at a rally in Tampa, Fla.

The Latest: No mention of Clinton at Sanders rally in DC

Bernie Sanders is making no mention of presumptive Democratic nominee Hillary Clinton at his rally in Washington, capping a day of meetings with President Barack Obama , Vice President Joe Biden and Senate leaders as the primary season nears the end. The rally comes hours after Obama announced his endorsement of Clinton in an online video and Clinton picked up the backing of prominent liberal Sen. Elizabeth Warren of Massachusetts.

Republicans wait to see if a disciplined Trump will emerge

Weary Republicans are looking for assurances that Donald Trump can maintain the discipline needed to stay on message as he prepares for a bruising general election run-up against Hillary Clinton. Trump's conciliatory, teleprompter-guided victory speech Tuesday appeared to stave off- at least for the time being - a near-revolt over his racially divisive attacks against the American-born judge of Mexican heritage hearing the case against his now-defunct Trump University.

Back in Washington, Clinton, Trump work toward party unity

The presidential race shifted to the nation's capital Friday, with Democrats executing a carefully orchestrated plan to unify their party around presumptive nominee Hillary Clinton. Her likely general election rival, Donald Trump, continued his months-long effort to win over the Republican base, with events wooing top donors and evangelical voters.

GOP insiders pressure Trump to steer clear of controversy

Weary Republicans are looking for assurances that Donald Trump can maintain the discipline needed to stay on message as he prepares for a bruising general election run-up against Hillary Clinton. Trump's conciliatory, teleprompter-guided victory speech Tuesday appeared to stave off- at least for the time being - a near-revolt over his racially divisive attacks against the American-born judge of Mexican heritage hearing the case against his now-defunct Trump University.

Donald Trump’s ‘Pocahontas’ attack on Elizabeth Warren …

It was a bad time for Sen. Cory Gardner to be caught in an elevator with a reporter. Donald Trump had just referred to Sen. Elizabeth Warren of Massachusetts as "Pocahontas" - again - and the Republican freshman from Colorado was struggling to figure out how to respond.