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.
Apple's newest operating system, iOS 13, set to roll out this fall, will allow users to turn on a feature that automatically sends unknown callers to voicemail.
The Democratic Party 2020 candidate walked back his support of the controversial legislation, which bans the use of federal money for most pregnancy terminations.
According to a new Quinnipiac University survey, Trump is trailing to former Vice President Joe Biden by four percentage points in Texas.
Biden has faced backlash from several of his 2020 Democratic rivals after his campaign confirmed he still supported the measure.
A national voting holiday, same-day registration, congressional term limits: Beto O'Rourke is out with a sweeping new plan to reform the democratic process.
"One of my education promises is I will not appoint anyone to be Secretary of Education who has not taught in a public school," Warren told voters in Michigan on Tuesday.
"My Administration will pursue fundamental, structural changes in our government's approach to the economy," she wrote.
"I think she's said her piece," Corbin Trent, Ocasio-Cortez's communications director, told ABC News.
"They're already there—do you not know?"
"Those of us in elected office owe it to you, to do whatever it takes, even if it means losing an election every now and then to keep you safe," Buttigieg said.
"Since there's so many people running for President (& not enough for Senate), instead of obsessing over who's a 'frontrunner,' maybe we can start w some general eliminations," Ocasio-Cortex wrote on Twitter.
Sisolak, a Democrat who was elected to office in November, rejected AB186, which would have joined a pact of several states looking to disregard the Electoral College in the next presidential election.