Democrats blasted the White House Wednesday following back-to-back reports that administration officials were discouraged from raising concerns about Russian interference in the 2020 election.

Several Democratic lawmakers characterized allegations that White House staffers are rebuffing administration officials as "troubling" and questioned if aides were dodging the topic over fear of irritating President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE.

Sen. Amy Klobuchar Amy KlobucharSocial media platforms put muscle into National Voter Registration Day Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE (D-Minn.), who is running for her party's 2020 nomination, accused top White House aides of cowing to Trump's "ego."

"Securing our elections from foreign influence is not something the President can choose to opt out of because of his ego," Klobuchar said.

Sen. Ron Wyden Ronald (Ron) Lee WydenDemocrats call for declassifying election threats after briefing by Trump officials Read Democrats' report countering Republicans' Biden investigation Top GOP senators say Hunter Biden's work 'cast a shadow' over Obama Ukraine policy MORE (D-Ore.), a member of the Senate Intelligence Committee, remarked in his own tweet, "Let me get this straight...the White House won't secure our elections against foreign hackers because they don't want to hurt [Trump's] feelings."

"It almost seems like Donald Trump wants Russia to interfere in the 2020 elections. I wonder why?" wrote Sen. Ed Markey Edward (Ed) John MarkeyDemocrats shoot down talk of expanding Supreme Court Schumer: 'Nothing is off the table' if GOP moves forward with Ginsburg replacement Democrats see fundraising spike following Ginsburg death MORE (D-Mass.).

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The public alarm bells come after The New York Times reported that acting chief of staff Mick Mulvaney Mick MulvaneyOn The Money: House panel pulls Powell into partisan battles | New York considers hiking taxes on the rich | Treasury: Trump's payroll tax deferral won't hurt Social Security Blockchain trade group names Mick Mulvaney to board Mick Mulvaney to start hedge fund MORE warned former Homeland Security Secretary Kirstjen Nielsen Kirstjen Michele NielsenMore than million in DHS contracts awarded to firm of acting secretary's wife: report DHS IG won't investigate after watchdog said Wolf, Cuccinelli appointments violated law Appeals court sides with Trump over drawdown of immigrant protections MORE not to brief Trump on possible interference in the upcoming election, despite her concerns that it was a key national security issue.

Mulvaney, according to the Times, said it “wasn’t a great subject and should be kept below [the president's] level."

Another official told CNN Wednesday that it was like "pulling teeth" to try to get the White House to gear up for potential interference in the 2020 election.

The official, who went unnamed, said that Director of National Intelligence Dan Coats Daniel (Dan) Ray CoatsFBI chief says Russia is trying to interfere in election to undermine Biden The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Trump, Biden renew push for Latino support Former Intel chief had 'deep suspicions' that Putin 'had something on Trump': book MORE feels that the White House is not being "forward-leaning enough in notifying Congress and the American people" about the need to take Russian efforts to interfere in U.S. affairs more seriously.

"In general, senior White House staff felt it wasn't a good idea to bring up issues related to Russia in front of the president," the unnamed official said.

Asked about The New York Times's report, Rep. Ro Khanna Rohit (Ro) KhannaThe Hill Interview: Jerry Brown on climate disasters, COVID-19 and Biden's 'Rooseveltian moment' Congress needs to prioritize government digital service delivery DeJoy defends Postal Service changes at combative House hearing MORE (D-Calif.), a member of the House Oversight and Reform Committee, told CNN that he would "welcome" Nielsen's testimony on the alleged incident.

"I never thought I would be defending Kirstjen Nielsen's judgment, because of her role in the border, but in this case, she was raising the issue of interference, not just in elections but cyberattack. She went to the White House and said, 'look, our power grids are potentially vulnerable,'" Khanna told CNN's John Berman.

Rep. Bennie Thompson Bennie Gordon ThompsonHouse panel pans ICE detention medical care, oversight Senate to hold nomination hearing for Wolf next week Hillicon Valley: FBI chief says Russia is trying to interfere in election to undermine Biden | Treasury Dept. sanctions Iranian government-backed hackers MORE's office said Wednesday that there's no plan "at this time" to have Nielsen testify before the House Homeland Security Committee, which the Mississippi Democrat chairs.

GOP Sen. Mike Lee Michael (Mike) Shumway LeeMcConnell shores up GOP support for coronavirus package McConnell tries to unify GOP Davis: The Hall of Shame for GOP senators who remain silent on Donald Trump MORE (Utah) expressed skepticism about Mulvaney's reported direction to Nielsen, saying it "doesn't make a lot of sense" to try to keep Russia's election interference off Trump's radar. But Lee stopped short of criticizing Mulvaney directly.

"I don't want to armchair quarterback the White House chief of staff. ... It may well be that what he was saying was, let's find the right time and place and manner in which to bring that up. And I suspect that that's the case. If it is the case, that's not terribly troubling," he said.

The reports that White House staff tried to stifle talk about how to combat interference in the 2020 election comes less than a week after the Justice Department released a 448-page, redacted report from special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE detailing his investigation into Russia's interference in the 2016 election.

Trump repeatedly derided Mueller's nearly two-year probe as a "witch hunt," despite eight U.S. intelligence agencies concluding in January 2017 that Russians interfered in the presidential election. And the heads of multiple agencies have warned of ongoing attempts to infiltrate U.S. elections, although the director of national intelligence did not find any direct interference in the 2018 midterm elections. Trump has been reluctant to accept the intelligence community's findings, though his administration says he accepts that Russia did make attempts to meddle in the election.

The release of Mueller's report has revived calls from lawmakers to pass new election security legislation or tougher Russia sanctions in an effort to deter future election interference. Similar efforts stalled during the previous Congress amid policy divisions and the politics of the 2018 midterm elections.

Sen. Jeanne Shaheen Cynthia (Jeanne) Jeanne ShaheenSenate Democrats introduce bill to sanction Russians over Taliban bounties Trump-backed candidate wins NH GOP Senate primary to take on Shaheen Democratic senator urges Trump to respond to Russian aggression MORE (D-N.H.), a member of the Senate Foreign Relations Committee, called Wednesday's reports "deeply troubling" and "unconscionable," while Sen. Bob Casey Robert (Bob) Patrick CaseySecond GOP senator to quarantine after exposure to coronavirus GAO report finds brokers offered false info on coverage for pre-existing conditions Catholic group launches .7M campaign against Biden targeting swing-state voters MORE Jr. (D-Pa.), said Trump appeared to be "shirking" his duty to protect the United States.

"There is no question: Russia will continue to try to interfere in our democracy.We cannot afford for the administration to sit back while Russia deliberately attempts to undermine public faith in our democratic process," Sen. Kamala Harris Kamala HarrisHarris faces pivotal moment with Supreme Court battle Nearly 40 Democratic senators call for climate change questions in debates Joe Biden has long forgotten North Carolina: Today's visit is too late MORE (D-Calif.), who is also running for president, said in a tweet.

Sen. Chris Van Hollen Christopher (Chris) Van HollenCongress must finish work on popular conservation bill before time runs out Democrats fear Russia interference could spoil bid to retake Senate Mid-Atlantic states sue EPA over Chesapeake Bay pollution MORE (D-Md.), pointing to the Times and CNN reports, called Wednesday for Congress to pass legislation imposing penalties on Russia or other foreign powers that engage in efforts to interfere in U.S. elections.

"Let’s stop pretending that Trump will ever act to prevent Russia from interfering in our elections. This Administration has no intention of protecting the integrity of our democracy," Van Hollen said. "Congress must immediately pass the DETER Act—the next elections will be here before we know it."

—Mike Lillis contributed