President Trump's decision to "hold Mexico accountable" by invoking a 25% tariff on imports is "exactly right," border czar Tom Homan said Sunday, slamming Mexican officials for failing to take measures to halt the relentless flow of fentanyl coming across the U.S. southern border.

"[Drug cartels have] been operating for decades in Mexico. They're operating freely. We know that, and I'm not going to say every official in Mexico is corrupt, but many are, and we just we simply know that, so he's going to hold Mexico accountable," he told "Sunday Morning Futures" host Maria Bartiromo.

"They've got to take action against these cartels, and stop the flow of fentanyl and, not only that, [but also] the sex trafficking of women and children across the border. It is illegal in Mexico to [sex] traffick women and children, but they're not stopping it. It's illegal for anybody from around the world to transit through Mexico without a transit visa, but they're allowing it."

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Trump imposed 25% tariffs on Mexico and Canada on Saturday after pressuring the countries to crack down on the "invasion of illegal fentanyl." 

The administration imposed a 10% tariff on China the same day for sourcing fentanyl that had been distributed in the U.S.

"This is exactly why President Trump has designated the criminal cartels in Mexico as terrorist organizations… I [have] said that… these cartels have killed more Americans than every terrorist organization in the world combined, so President Trump did the right thing. 

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Homan has been at the forefront of the Trump administration's illegal immigration crackdown, spearheading mass deportation efforts in major cities across the U.S. since Trump took office on Jan. 20. 

As Christmas approaches, the message of glimmering hope in the darkness might feel more relevant than ever. Whether inspired by the weight of a corrupt world, personal sorrow or the gloom that lingers during the short days of winter, people seem increasingly drawn to finding the light.

That's the message to take away from Cardinal Timothy Dolan, the Archbishop of New York who leads midnight Mass this Christmas.

Cardinal Dolan shared this sentiment during an exclusive sit-down interview with Maria Bartiromo at St. Patrick's Cathedral in New York City, where he reflected on signs that Americans are rejecting the "caricature" of faith as "nasty, destructive, harmful and antiquated," prompting sales of the Bible and other books on spirituality to rise.

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"There seems to be a newfound appreciation for the role of faith, especially in our country," he told the "Sunday Morning Futures" host.

"I think President Trump tapped into that. I've had talks with him before in the past. He was pretty blunt [that] he can't say that he was raised as a very zealous Christian, but he takes his Christian faith seriously. He has a lot of memories about Norman Vincent Peale, the famous preacher here in New York, down… on Fifth Avenue, and I think he means it."

He continued, "I think the assassination attempts kind of renewed in him, 'There's something beyond me that I think is watching over me, and it's got a task for me.' And what he expresses personally seems to be expressed more and more throughout the world. And that's part of America."

Perhaps there is something bigger watching over the world, he suggested, pointing to former President Ronald Reagan and Pope John Paul II, two figures whose contributions helped define the latter part of the 20th century. They both survived assassination attempts very close to one another, each going on to help make the world what it is today.

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"When the two of them met for the first time, Ronald Reagan said to Pope Saint John Paul II, ‘Mother Teresa told me that she thinks the Lord spared me because the Lord has something special in mind for me, and Pope Saint John Paul II smiled and said, ’She told me the same thing.' They both believed that, and look what they were able to accomplish. The world was changed for the better because of them," he reflected.

Cardinal Dolan walked the grounds of St. Patrick's Cathedral with Bartiromo, showing her a photo of a drawing from imprisoned Hong Kong freedom fighter, Jimmy Lai, depicting Christ on the cross. 

As billions across the world prepare to celebrate the Christmas and Hanukkah holidays, Dolan says his message this midnight mass will focus on the "triumph of light."

"The Lord's always inviting us to go out of ourselves. That gives us hope."

Republican lawmakers are being urged to unite to put a nail in the coffin of Democrats' "last tool" to obstruct President-elect Trump's agenda by raising or eliminating the debt ceiling.

"It's a fantastic idea, and President Trump is in full support of it, as he has expressed in recent days," incoming White House press secretary Karoline Leavitt told "Sunday Morning Futures" host Maria Bartiromo of the push to raise the limit this week.

"The continuing resolution that passed happened because of President Trump. It includes critical aid for our farmers, critical aid and disaster relief for our fellow Americans who were impacted by Hurricane Helene, but as soon as Republicans return to the Hill in January, they have to deal with the debt ceiling. This is the last tool in Senator Schumer and the Democrats' toolbox to try to obstruct President Trump's ‘America First’ agenda."

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"The American people reelected President Trump with a resounding mandate because they want him to take monumental action to secure the southern border, to expedite permitting, to unleash the might of our American energy industry, and to restore peace through strength abroad. We can only do that if we get rid of the debt ceiling. President Trump is in strong support of that and Republicans need to get behind it."

Trump urged House Republicans to back legislation raising the debt limit last week as lawmakers scrambled to reach an agreement to avoid a government shutdown on Friday, but dozens refused, revealing a disconnect between those who espouse a conservative spending philosophy and Trump's need for the ability to spend more freely to enact his agenda once in office.

Several Republicans' concerns about raising or eliminating the debt ceiling were fueled by the national debt, which now exceeds $36 trillion.

Rep. Mike Lawler, R-N.Y., who voted in favor of the stopgap funding bill signed by President Biden on Saturday, said the debt ceiling will "have to" be addressed soon since the current limit will be reached next year.

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"Like President Trump, I believe the debt ceiling should be lifted," he told "Fox & Friends Weekend" guest host Peter Doocy. "This isn't about future debts. This is about previous debts incurred, and we have to pay those debts, and every time and every time you pay the debts, you run up against the limit."

"While I understand it's [the debt limit's] purpose, we're actually one of the only countries that has it. It's been used as a political piñata for decades now. The party in the minority uses it as leverage in a negotiation, and I think what President Trump is trying to avoid is giving Democrats a loaded gun to hold to his head here."