Updated

The White House has been two-stepping with the truth.

Starting with press secretary Sean Spicer insisting inaccurately that President Donald Trump drew record-setting inauguration crowds, top presidential advisers have provided information that is provably false or contradicted by others in the White House, including Trump himself. The pattern continued this week, with national security advisers giving one account of what Trump told Russian officials in the Oval Office only to have the president himself revise it.

On Tuesday, the White House denied reports that Trump had asked FBI Director James Comey to shut down an FBI investigation into former national security adviser Michael Flynn. Democrats and some Republicans greeted those denials skeptically.

A look at some of the most credibility-damaging episodes:

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WHAT TRUMP SHARED WITH THE RUSSIANS

The Washington Post reported Monday that Trump shared highly classified information with Russian Foreign Minister Sergey Lavrov and Russian ambassador to the U.S. Sergey Kislyak about an Islamic State terror threat involving laptop computers on aircraft. Other outlets, including The Associated Press, later confirmed that report.

Version One: White House aides initially disputed the premise of the reporting. "This story is false," deputy national security adviser Dina Powell said Monday in a written statement.

Version Two: Trump weighed in Tuesday by indicating he had the authority to disclose whatever he'd like. He did not deny discussing classified information. "As President I wanted to share with Russia (at an openly scheduled W.H. meeting) which I have the absolute right to do, facts pertaining ...to terrorism and airline flight safety. Humanitarian reasons, plus I want Russia to greatly step up their fight against ISIS & terrorism," Trump wrote in a pair of tweets.

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WHY COMEY WAS FIRED

With no notice, Trump last week fired Comey, who had been leading an investigation of possible ties between the Trump campaign and Russian interference in the U.S. presidential election. At first, the White House pinned the decision on Deputy Attorney General Rod Rosenstein, who'd written a scathing memo about Comey's handling of a probe into Hillary Clinton's use of email.

One: "People in the Justice Department made a very strong recommendation, the president followed it and he made a quick and decisive action to fire James Comey. He took the recommendation seriously. And he made a decision based on that," deputy press secretary Sarah Huckabee Sanders told MSNBC.

Two: "He had made a recommendation. But regardless of recommendation, I was going to fire Comey, knowing there was no good time to do it. And in fact, when I decided to just do it, I said to myself, I said, 'You know, this Russia thing with Trump and Russia is a made-up story.'" Trump told NBC.

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PENCE DEFENDS FLYNN

Vice President Mike Pence insisted that Flynn had not discussed Obama-era Russian sanctions when he and Kislyak spoke during Trump's transition to power. That assertion was untrue, something the White House blamed on Flynn when it fired him a month later.

One: "They did not discuss anything having to do with the United States' decision to expel diplomats or impose censure against Russia," Pence said Jan. 15 on CBS.

Two: Trump and senior White House advisers learned Jan. 26 that Flynn had discussed sanctions with Kislyak; Trump fired Flynn on Feb. 13 for lying to Pence, after news reports described the Flynn-Kislyak talks.

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BOWLING GREEN TERRORIST ATTACK?

White House counselor Kellyanne Conway raised eyebrows when she seemed to invent a terrorist attack in Kentucky as she justified the necessity of Trump's controversial travel ban executive order.

One: "President Obama had a six-month ban on the Iraqi refugee program after two Iraqis came here to this country, were radicalized, and they were the masterminds behind the Bowling Green massacre," Conway said Feb. 3 on MSNBC. "Most people don't know that because it didn't get covered."

Two: Shortly thereafter on Twitter, she wrote that she had meant to say "Bowling Green terrorists." In May 2011, two men in Kentucky were charged with plotting to send weapons and money to al-Qaida operatives abroad, prompting the Obama administration to slow down processing of Iraqi refugees seeking Special Immigrant Visas. Conway never corrected her misstatement about refugees being banned.

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TRUMP'S INAUGURATION CROWD SIZE

Spicer made his debut at the podium Jan. 21 by reading a five-minute statement about the size of Trump's inauguration crowd a day earlier.

One: "This was the largest audience to ever witness an inauguration, period, both in person and around the globe," Spicer said. Explaining why white areas were viewable through the crowds, Spicer added: "This was the first time in our nation's history that floor coverings have been used to protect the grass on the Mall."

Two: Days later, Spicer distanced himself from those statements, saying he had been told to make them. Photographs from Barack Obama's first inauguration show a substantially larger in-person gathering, and Nielsen data showed fewer viewer's for Trump's inauguration than for Obama's, as well-as for actual TV record-holder Ronald Reagan's. And Mall covering were used in 2013 for Obama's second inauguration.