"This is what we see in mob cases. It makes no sense," the Morning Joe host said.
"These facts that he laid out are so substantially similar to the matured allegations against Bill Clinton and Richard Nixon, it's clear where he was going," Andrew Napolitano explained.
The veteran journalist said the situation challenged "whether our institutions are able to function in this country to deal with a president of the United States who is unique in our history, who has nothing but contempt for Democratic traditions and the rule of law."
"It seems that individuals in the Justice Department at the highest levels who seem to state the facts and the law as they exist seem to not do well," said former Deputy Assistant Attorney General Elliot Williams.
"Are they looking for a redo because they hated seeing the strong NO COLLUSION conclusion? There was no crime," the president insisted on Twitter.
"We will make one more good faith attempt to negotiate and to get access to the [Mueller] report, and if we don't get that, we will proceed to hold the attorney general in contempt," House Judiciary Committee Chairman Jerrold Nadler threatened.
A link to sign a petition apparently led to another "step" in the process to contribute to the senator's 2020 presidential campaign.
Former judge Andrew Napolitano said that the attorney general "was splitting hairs" in trying to explain his previous testimony to Congress.
Omarosa Manigault Newman told MSNBC that she wouldn't be surprised if she were subpoenaed by Congress.
House Oversight Committee Chairman Elijah Cummings said Bill Clinton's behavior "pales in comparison" to Donald Trump's alleged efforts to obstruct justice.
"Sanders told this Office [of the special counsel] that her reference to hearing from 'countless members of the FBI' was a 'slip of the tongue,'" investigators wrote in the Mueller report.
"I suspect that Democrats' heads on Capitol Hill were exploding," Fox News' Chris Wallace said following Attorney General William Barr's press conference on the Mueller report.
Forty-eight percent of Hillary Clinton voters said they had an unfavorable view of Attorney General William Barr, while 9 percent of Trump voters had an unfavorable opinion of Barr.
"This is not an issue for us, it is not a thing that interests us or causes us concern," Kremlin spokesman Dmitry Peskov said.
"Domestic spying during a presidential campaign did happen and we have a right to know who participated in it, who authorized it and what their motives were," Carlson said after listing instances where he believes the FBI spied on Trump's presidential campaign.
"The attorney general has opened up a can of worms," Fox News judicial analyst and former judge Andrew Napolitano said.
A spokesperson for Harris's campaign said she donated the funds received from Trump to a civil and human rights nonprofit for Central Americans.
Sessions reportedly voiced his mistrust of "those new people with nose rings and tattoos—who knows what they're doing?"
"He's certainly been responsive to the questions. He hasn't ducked them, and he's answered them as fully as he can," said Dianne Feinstein, the ranking member of the Senate Judiciary Committee.
The deputy attorney general has reportedly already informed President Donald Trump and White House officials of his plan to leave the administration once William Barr is confirmed as attorney general.
A Lou Dobbs-led panel lashed out at what they collectively called the "Mueller Witch Hunt" and demanded President Donald Trump bring on GOP attorney Bill Barr as Attorney General to fire the Special Counsel.
William Barr "was a strong advocate for a policy that set the stage for the treatment of Guantanamo detainees during the war on terror," ACLU Legal Director David Cole said.
"At the end of the day, I am convinced that Mr. Mueller will be allowed to do his job," the senator said.
House Democratic leader Nancy Pelosi stressed that the "public has a right to know, and no one is above the law in terms of our having access to that information."