"I'm not suggesting that those rules were violated, but I think it's important to look at that," Barr testified.
The vote on the resolution passed the Democrat-led panel on a 24-17 party line vote following an occasionally heated markup hearing.
Democrats also want Barr to testify before Rep. Jerrold Nadler's Judiciary Committee — "not in a month, as you have offered, but now."
Democrats intensified their demands for Robert Mueller's full report after learning the special counsel's findings from his Trump-Russia investigation run to more than 300 pages.
Trump tweeted earlier Thursday morning that Schiff "should be forced to resign from Congress!"
The memo targeted four Democratic lawmakers including Sen. Richard Blumenthal of Connecticut and Rep. Jerry Nadler of New York, as well as Democratic National Committee Chairman Tom Perez and former CIA Director John Brennan.
Though Attorney General Barr says President Trump is cleared legally in the Russia investigation, the fight over the probe is far from over.
Sen. Elizabeth Warren says Democrats should wait until Mueller completes his investigation before they decide whether to push for impeachment.
It is highly unusual for translators to be hauled in front of Congress, although calls for Democrats to do just that have risen amid an also extraordinary level of secrecy about the president's conversations with Putin.
Amazon, YouTube, Facebook and other Internet companies are surfacing ant-vaccine content.
The Intelligence Committee also intends to call Trump Organization Chief Financial Officer Allen Weisselberg to testify, a source with knowledge told NBC News on Thursday.
"Trump did the right thing by walking away and not cutting a poor deal for the sake of a photo op," Chuck Schumer, the top Democrat in the Senate, said after Trump left talks with North Korea's Kim Jong Un.
McCabe tells NBC he had informed congressional leaders that the FBI had opened a counterintelligence probe into Trump after the firing of James Comey, and that none of the members objected to it.
"They will sue us in the 9th Circuit, even though it shouldn't be there, and we will possibly get a bad ruling, and then we will get another bad ruling, and then we will end up in the Supreme Court," Trump said.
Michael Cohen, former personal lawyer and fixer for President Donald Trump, has postponed his planned appearance Tuesday before the Senate Intelligence Committee because of "post-surgery medical needs."
President Donald Trump's team has been interviewing dozens of candidates for positions ranging from communications director to press secretary, according to people with direct knowledge of the matter.
Cohen was originally scheduled to testify before the panel on Friday. But Chairman Adam Schiff, D-Calif., said the closed-door testimony would be delayed until Feb. 28 "in the interests of the investigation."
Cohen had postponed his voluntary testimony at a House hearing, citing "threats" against his family allegedly made by Trump and his lawyer, Rudy Giuliani.
Lanny Davis' call for Trump to be censured by the House comes a day after Trump's ex-lawyer Michael Cohen postponed his congressional testimony due to alleged "threats" against his family by the president and Rudy Giuliani.
Special Counsel Robert Mueller's office issued a rare public rebuke of elements of a stunning report that alleged President Donald Trump directed his former legal counsel to lie in sworn Congressional testimony.