Ocasio-Cortez said Trump's comments that he was open to accepting foreign help for "dirt" on 2020 rivals shows members of Congress have a "duty" to at least consider impeachment.
Biden and Sanders would handily beat the president in an election, according to the new poll
Buttigieg said foreign interference in U.S. elections has "destabilized" America, and suggested Trump's statements jeopardized the "most sacred thing" in America.
"The Trump Economy is setting records, and has a long way up to go," wrote the president.
"White Americans do not know this story," O'Rourke said Friday in South Carolina.
Montana Governor Steve Bullock was one of the unlucky four who missed out on the first set of Democratic 2020 debates scheduled for later this month.
The first Democratic debate of the 2020 election will take place on June 26 and June 27 in Miami, Florida.
Out of the 24 Democratic campaigns currently underway, 20 candidates managed to surpass at least one of the thresholds.
"This is not a novel concept," said Weintraub.
The former Harvard law professor said that even though he could support Joe Biden, he couldn't pull himself to vote for Bernie Sanders.
Legal experts have suggested Barr's response has new significance in light of President Donald Trump saying he would take opposition research from a foreign government.
"That cannot be who we are going forward. We've got to be bigger, we've got to be bolder," Beto O'Rourke said when asked if Joe Biden is a "return to the past."
"This is treason in broad daylight," one social media user said of President Donald Trump's admission that he would be willing to accept foreign intel in the 2020 race.
On the controversial question of whether Harry Potter should have ended up with Hermione instead of Ron, O'Rourke chose Potter.
For the first time since entering the 2020 race, Elizabeth Warren is ahead of Bernie Sanders by more than the margin of error in a national poll.
With his Europe trip and Mexico deal, President Donald Trump has never seemed more presidential, spelling trouble for the Democrats in 2020.
The poll shows 53 percent of voters say they would support Biden, while 40 percent say they would vote for Trump.
"President Trump is bringing his secret one page agreement with Mexico to Iowa," Joe Biden tweeted, after President Donald Trump help up a folded piece of paper to White House reporters on Tuesday.
"I can't show you the letter, obviously, but it was a very personal, very warm, very nice letter. I appreciate it," President Trump told reporters on Tuesday.
"It should be made clear, and I mean this from the bottom of my heart: This is not a Republican affair," Biden said of Watergate in a 1973 speech.
"President Trump is always strongest when he has a direct foil," his 2016 campaign communications aide Jason Miller said.
On Tuesday, Biden is scheduled to speak at three different events in eastern Iowa, while Trump will make two stops in the western part of the state.
"Some of them… I don't even know what their raison d'être is for running," Bill Maher said of 2020 Democratic candidates.
Author Alexander Nazaryan claimed the president "almost welcomed" the idea of bringing his controversial former campaign manager back into the fold.
"Michigan is going to be competitive, it's going to be harder. You did same-day registration and you have a Democrat governor. It's going to be a more difficult state, but we're up for the challenge and I think we're going to win Michigan," RNC Chairwoman Ronna McDaniel told a group in Detroit.
"These are baseless lies meant to stoke fear in their viewers," TJ Ducklo, Biden campaign's national press secretary, said. "It has no place in our public discourse, and anyone amplifying it bears some responsibility for giving it legitimacy it most certainly does not deserve."
"I think the idea that [impeachment] is a clear political loser for Democrats is just something that is not supported by the evidence of 1998 and 2000," CNN senior political analyst Ron Brownstein said.
"If I believe health care is a right, as I do, I can no longer support an amendment that makes that right dependent on someone's ZIP code," Biden said on Thursday.