"Barr needs to resign," Ocasio-Cortez tweeted after the news that he would not comply with a subpoena to testify before the House Judiciary Committee.
Preet Bharara, a former U.S. attorney in New York, said the Mueller report preserves evidence for when President Donald Trump loses his immunity after leaving office.
"I've been investigated repeatedly by the other side. And, much to their dismay, but to my satisfaction, it's been for naught," the former secretary of state said.
Matthews suggested former White House counsel Donald McGahn should testify in front of Congress.
"The reason they are mad at Barr and me is because they didn't get the outcome they want," Graham told Sean Hannity.
Colbert cut together clips of Wednesday's Senate Judiciary Committee hearing to give his own take on Attorney General's performance.
The attorney general has said he doesn't object to Mueller testifying—and his own testimony made it clear why the special counsel should speak.
President Donald Trump has claimed he was given no such warning.
Special counsel Robert Mueller's work "concluded when he submitted the report to the attorney general," Barr told Senate lawmakers on Wednesday.
Appearing before the Senate Judiciary Committee, the attorney general testified that President Donald Trump cooperated with the special counsel's investigation.
Former CIA Director John Brennan said the attorney general's behavior suggests "he is acting as Donald Trump's personal lawyer."
The former House speaker pointed to the "deep state" after special counsel Robert Mueller's letter of complaint to Attorney General William Barr leaked.
"It is incredible the actions he took. He absolutely needs to go," the California congressman said.
The special counsel criticized Attorney General William Barr's four-page summary of his report, writing that it did not capture the "context, nature, and substance" of his findings.
Barr "made an active choice to torch his integrity and public credibility," Susan Hennessey wrote.
Special counsel Robert Mueller "expressed frustration over the lack of context and the resulting media coverage regarding the special counsel's obstruction analysis," a Justice Department spokesperson said.
The future of free elections and our system of government may depend on it.
"I think the investigations and all the speculation that's happened for the last two years has had a much harsher impact on our democracy than a couple of Facebook ads," White House adviser Jared Kushner said.
"Never had somebody say that I should be decapitated," White House press secretary Sarah Sanders said in response to the CNN's analyst's remarks.
"How many of Trump's followers or those who might otherwise be tempted to vote for him in 2020 will recoil from this moral squalor?"
The late-night host said the Mueller report revealed that staff refused Trump's orders, which may have ultimately saved him.
"I am also appalled that, among other things, fellow citizens working in a campaign for president welcomed help from Russia," Romney stated.
Robert Mueller spent 22 months investigating how Russia interfered in the 2016 election and whether it was aided by the Trump campaign. We've seen most of his conclusions, but what happens now?
"The law cares about what is done, not what is thought or what is said," said Starr, the independent counsel who investigated President Bill Clinton.
"Even the redacted version of the report outlines serious instances of wrongdoing by President Trump and some of his closest associates," the House Judiciary Committee chairman said.
"Don Jr. wasn't indicted for coordinating with WikiLeaks, for conspiring with WikiLeaks," Ronald Klain, former chief of staff to Vice Presidents Joe Biden and Al Gore, said.