On the ninth day of the partial government shutdown, Trump used the Obamas' brick fence to justify building the border wall.
"They are spending so much time on Presidential Harassment," the president tweeted.
Only 19 percent of respondents in a new poll said $5 billion should be spent on the border wall.
While claiming the incomplete border fortifications would form America's "last line of defense" against radical Islamists, the South Carolina senator offered no evidence that Islamic extremists had ever used the southern border to infiltrate the U.S.
"I don't care if you call it a slat, a fence, a wall — it's not happening," Fox News anchor Julie Banderas said.
"It's been more than a decade that we've had a child pass away anywhere in a CBP process so this is just devastating for us," Customs and Border Patrol commissioner Kevin McAleenan told "CBS This Morning" on Wednesday.
President Donald Trump used his Christmas morning call with U.S. troops abroad to reiterate his commitment to his partial government shutdown, adding that federal workers "want the wall."
"If America were a business and the CEO was facing a dozen criminal and ethics investigations, multiple members of his inner circle had gone to jail, he was making rash decisions that prompted his top advisers to quit in protest and the company had to temporarily shutdown over failed internal business negotiations, what would happen?"
Mulvaney's public remarks, made on Fox News, further show that the president is prepared to have a shutdown that lasts through the holidays.
"In the land of common sense, we're not in it right now. The shutdown is because the president wanted to shut down," Republican Representative Ryan Costello said.
Rep. Ted Lieu (D-CA) reminded voters that Trump said Mexico would pay for a border wall, and declared that Democrats will not allow U.S. taxpayers to fund Trump's wall.
"We're in a shutdown because the president threw a tantrum about his border wall," Sen. Chris Murphy (D-Conn.) said.
"Mitch, use the Nuclear Option and get it done! Our Country is counting on you!" President Trump tweeted on Friday morning.
The lead-up to the midterm elections saw an uptick in misleading statements from the president.
The fund-raising campaign, which has raised more than $60,000 so far, was created to counter a separate GoFundMe page aimed at helping the government build the border wall.
The House's spending bill will now have to be sent back to the Senate, where Republicans will need at least some Democratic support if they hope to overcome the chamber's 60-vote threshold.
"The wall is wholly absurd, and the folks supporting it are doing so for the worst reasons. We need to reject white supremacy in our country."
House Speaker Paul Ryan, other House Republicans and the White House continued to give mixed messages to reporters through Thursday morning about what President Donald Trump would sign or veto.
Florida Air Force veteran Brian Kolfage told Newsweek the campaign was in response to "inaction from politicians on both sides of the aisle."
Sanders repeatedly claimed the new USMCA trade deal would pay for the wall but it's not clear how that would be possible.
"This was a 10-minute briefing Sarah," one reporter can be heard yelling as Sarah Huckabee Sanders left the room.
"Republicans just have to have the guts to tell President Trump he's off on the deep end here," Senate Minority Leader Chuck Schumer said, as a potential government shutdown looms.