Republicans have been largely silent about the allegations, with some calling the report false or either showing reluctance to answer questions on the matter.
"You want to see a Stock Market Crash, Impeach Trump!"
"Directing a subordinate to lie to Congress is a federal crime," Representative Jerrold Nadler said. "The [House Judiciary] Committee's job is to get to the bottom of it, and we will do that work."
The Trump administration is expected to lift sanctions anyway.
The president's attorney said Donald Trump never colluded with Russia, but he did not deny that the campaign could have worked with the Kremlin.
Schumer said the attorney general nominee refused to provide assurances he would not interfere in special counsel Robert Mueller's Russia investigation, would not guarantee issuing a full report at the conclusion of the probe and provided few specifics with regard to preserving the inquiry's transparency.
"If there are crimes that he has committed, he should be indicted," Senator Sheldon Whitehouse of Rhode Island said.
Hannity claimed that "hate-Trump Democrats" and the media "have been tied at the hip the whole time, reporting innuendo, lies, conspiracies, daily."
"Again, the president was ill served by poor advice," Christie wrote.
President Donald Trump's attorney general nominee has known the special counsel both "personally and professionally" for 30 years, he told the Senate Judiciary Committee.
Corsi has claimed Mueller's investigation uses "Gestapo techniques."
Nastya Rybka claimed she had over 16 hours of recordings of Putin-linked oligarch Oleg Deripaska and three Americans discussing the 2016 presidential election.
David Laufman described the president's reported efforts to hide details of meetings with Vladimir Putin as "positively chilling."
The FBI launched its investigation to determine whether President Donald Trump was "acting at the behest of [Russia] and somehow following directions, somehow executing their will," FBI counsel James Baker told Congress.
"I think it's the most insulting thing I've ever been asked," Donald Trump told Jeanine Pirro when asked if he was working for Russia. White House aides said they wished the president had directly denied the allegation, according to the Associated Press.
Michael Cohen's lawyer said the president's relentless attacks on his client stemmed from fear.
"This is about the most serious counterintelligence people we have in the U.S. government saying, 'Oh, my God, the president's words and actions lead us to conclude that somehow he has become a witting, unwitting, or half-witting pawn," Carl Bernstein said.
"U.S. officials said there is no detailed record, even in classified files, of Trump's face-to-face interactions with the Russian leader [Vladimir Putin] at five locations over the past two years," the Washington Post reported this weekend.
Naval War College Professor Tom Nichols compared Trump to a dictator desperately trying to cling to power.
"To see this in writing, to hear this report — if it's accurate to say the bureau actually opened a case on Donald J. Trump — is really like hitting the American people in the gut."
Cohen's public hearing will be February 7, making him the first Trump associate connected to special counsel Robert Mueller's Russia probe to cooperate with the Democrats since they took control of the House.
Earlier this week, a redaction error in a court filing revealed that Paul Manafort shared polling data with a Russian operative during the 2016 campaign.
The incoming House speaker said Justice Department guidance that sitting presidents could not be indicted is "not the law."
"There is no reason for the witches to be offended," Rudy Giuliani tweeted, "because Witch Hunt derives from, for example, the Salem Witch Hunts where people were executed unjustly."