But the director added he was faced with the impossible choice of either informing Congress that a "closed" investigation had been reopened or concealing that fact.
"It's very hard for me to believe that he felt so sanctimonious about having to come forward", Feinstein said. "The Justice Department has a procedure".
"He [Russian President Vladimir Putin] certainly interfered in our election", Clinton said.
Although the report found fault with the accuracy of state polling, especially in the upper Midwest, it noted that national poll averages in the final two weeks of the campaign were among the most accurate in the last eight decades at estimating the national popular vote. Weiner's laptop was seized as part of a sexting investigation involving a teenage girl. Of those, agents found a dozen that contained classified information, but they were messages investigators had already seen. USA intelligence agencies are investigating whether Russian Federation coordinated with Trump associates to influence the election, something Russian Federation has denied.
"Yes", he said, answering a question from Sen.
Democrats argued that by that point, Comey had critically damaged the Clinton campaign.
At a forum in NY on Tuesday, Clinton said Comey's letter to Congress on October 28 was a factor in her loss to President Trump.
In reference to the October 28 letter, Comey said that "when the Anthony Weiner thing landed on me", he had a choice between speaking up or engaging in "catastrophic concealment". Though officials found many new emails, there was nothing to change the FBI's decision from July not to recommend charges, Comey said.
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"If I were her, I would move on", said Axelrod.
'Did I hear about it? Charles Grassley, R-Iowa, opened the hearing by saying that "a cloud of doubt hangs over the Federal Bureau of Investigation". Mike Conaway of Texas, Tom Rooney of Florida and Trey Gowdy of SC.
Mr Comey said that Russian Federation posed "the greatest threat of any nation on earth" to the United States democratic process, given its "intention and capability".
Comey is standing by his decision to tell congressional committee leaders his team was again looking into Hillary Clinton's emails - just days before the presidential election. But that second Comey hearing was also delayed amid squabbling between Nunes and Rep. Adam Schiff, the committee's ranking Democrat. Dianne Feinstein of California.
He strongly criticized WikiLeaks, the secret-spilling website that published emails from Democratic accounts that intelligence officials say were hacked by Russian Federation.
Asked about WikiLeaks, Comey said he thought the anti-secrecy group was engaged in something more sinister than journalism. Comey said he alerted Congress of the finding, with the full expectation that lawmakers would leak that discovery.
Both Democrats and Republicans have attacked Comey for speaking in 2016, while President Trump praised him and called him "the best thing that ever happened to Hillary Clinton".
But, asked last month whether it was too late to fire the director, the president replied, "No, it's not too late, but, you know, I have confidence in him".